{"id":2021,"date":"2026-08-06T06:15:46","date_gmt":"2026-08-06T06:15:46","guid":{"rendered":"https:\/\/www.vpascode.com\/de\/docs\/uncategorized\/d2-syntax-basics\/"},"modified":"2026-08-06T06:15:46","modified_gmt":"2026-08-06T06:15:46","slug":"d2-syntax-basics","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/de\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/","title":{"rendered":"D2-Syntax-Grundlagen"},"content":{"rendered":"<p>D2 ist ein modernes, textbasiertes Werkzeug zum Erstellen klarer, lesbarer Diagramme. Es steht f\u00fcr \u201edeklaratives Zeichnen\u201c. In VPasCode erm\u00f6glicht D2 Softwareentwicklern und L\u00f6sungsarchitekten, einfachen Code-Text in saubere visuelle Modelle umzuwandeln, ohne Formen manuell zeichnen zu m\u00fcssen.<\/p>\n<div class=\"callout\" style=\"background-color: #f0fdf4; border-left: 4px solid #16a34a; padding: 1rem; border-radius: 4px; margin-bottom: 1.5rem;\"><strong>Tipp:<\/strong>Die D2-Syntax ist so gestaltet, dass sie einfach und leicht lesbar ist. Formen, Verbindungen, Beschriftungen und Gruppen k\u00f6nnen alle mit einfachen Textzeilen ohne komplizierte Einstellungen geschrieben werden.<\/div>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">1. Grundformen und Verbindungen<\/h2>\n<p>Um Formen zu erstellen, geben Sie einfach deren Namen ein. Um Formen zu verbinden, verwenden Sie einen Pfeil (<code>-&gt;<\/code> f\u00fcr eine Richtung oder <code>&lt;-&gt;<\/code> f\u00fcr zwei Richtungen).<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">D2<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjLEKwkAQRPuD+4cFa7EPYhMRS8lFUm\/OgRzEje7tCf69iSCi1TAzj7eikK63EVRPIoiWJvHunKG03lGHngL0Aa3o2LYnanAvyObd91m4PRv3nFHRARaHd\/fus\/6bGlhRmSOX0fKPazujNccBC8WXTafJQOEp8QX5ZzbN\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">D2<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjs0KwjAQhO+BvsOC5+C9iOBPwYMHoUXPSZykobCFbSPYZ\/Pmi5kiqHib5Ztv2AVVkb1xLegMsZGviUOhtuA0ThDSa7rA6hpyg5R0aJqT3rAXE1CoL5l7ezOCreGufEcyVpIHF+pD\/ucqCbAchwE0JXk+XJfv2fhZXmVnNz9Y0hED9LJ2rSBmfuec+qybMfb8AuuDRXU=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-d2\"><code class=\"language-d2\" data-language=\"d2\" class=\"language-d2\"># Einfache Verbindung\r\nBenutzer -&gt; Web-Server: HTTP-Anfrage\r\nWeb-Server -&gt; Datenbank: Daten abrufen\r\nDatenbank -&gt; Web-Server: Ergebnisse zur\u00fcckgeben\r\nWeb-Server &lt;-&gt; Cache: Lese-\/Schreib-Synchronisation<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjs0KwjAQhO+BvsOC5+C9iOBPwYMHoUXPSZykobCFbSPYZ\/Pmi5kiqHib5Ztv2AVVkb1xLegMsZGviUOhtuA0ThDSa7rA6hpyg5R0aJqT3rAXE1CoL5l7ezOCreGufEcyVpIHF+pD\/ucqCbAchwE0JXk+XJfv2fhZXmVnNz9Y0hED9LJ2rSBmfuec+qybMfb8AuuDRXU=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjLEKwkAQRPuD+4cFa7EPYhMRS8lFUm\/OgRzEje7tCf69iSCi1TAzj7eikK63EVRPIoiWJvHunKG03lGHngL0Aa3o2LYnanAvyObd91m4PRv3nFHRARaHd\/fus\/6bGlhRmSOX0fKPazujNccBC8WXTafJQOEp8QX5ZzbN\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"fTwbVMr\"><img fetchpriority=\"high\" alt=\"D2 simple connection diagram showing request and response flows between User, Web Server, Database, and Cache - Text to diagram editor - VPasCode\" class=\"alignnone wp-image-1923 size-full\" decoding=\"async\" fetchpriority=\"high\" height=\"642\" sizes=\"(max-width: 535px) 100vw, 535px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d37a7527.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d37a7527.png 535w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d37a7527-250x300.png 250w\" width=\"535\"\/><\/p>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">2. Formtypen und benutzerdefinierte Beschriftungen<\/h2>\n<p>Standardm\u00e4\u00dfig erscheinen Formen als Standardfelder. Sie k\u00f6nnen den Symboltyp einer Form leicht \u00e4ndern oder eine benutzerdefinierte Beschriftung mithilfe der Eigenschaft <code>shape<\/code> festlegen.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">D2<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjkEKwjAQRfeB3OFTN7rwAlm40CwVWuIFpu1YB2JakigU8e4SKELdvv\/g\/Q0s3yRIGODuNDGu88RJq5MXDtngrRWQymIwcUxj0OqjVRHGZw\/H8SUdp7XYlW3xLiQB9vgnzF5Cz7EgTy17g6qO8qA4w1KmlhJjW48pD5Fdc95Vv2q5hf0B634hS+kLMeE\/Sw==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">D2<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpTVnDLL8otqSxIzVNISU3LzMtMLUrN4+XyLs1LSbVSqOblUlAozkgsALILUouK84FStbxcvFzOOfmlKboumal5xSVo6pJBUlBlHomlBSW6LoklqXlJiXnZqAqrKnMygbYUgYRyEpNSc6wUlAKKMnMPLylKVYDrUdAIyC8uSS9KDQ700VSCmgt2noKunQKKO0ACaDYCAORoRsw=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-d2\"><code class=\"language-d2\" data-language=\"d2\" class=\"language-d2\"># Formtypen definieren\r\nKunde: {\r\n  shape: person\r\n}\r\n\r\nCloud-Dienste: {\r\n  shape: cloud\r\n}\r\n\r\nHaupt-Datenbank: {\r\n  shape: zylinder\r\n  label: \"Prim\u00e4re Datenbank (PostgreSQL)\"\r\n}\r\n\r\nKunde -&gt; Cloud-Dienste -&gt; Haupt-Datenbank<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpTVnDLL8otqSxIzVNISU3LzMtMLUrN4+XyLs1LSbVSqOblUlAozkgsALILUouK84FStbxcvFzOOfmlKboumal5xSVo6pJBUlBlHomlBSW6LoklqXlJiXnZqAqrKnMygbYUgYRyEpNSc6wUlAKKMnMPLylKVYDrUdAIyC8uSS9KDQ700VSCmgt2noKunQKKO0ACaDYCAORoRsw=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpdjkEKwjAQRfeB3OFTN7rwAlm40CwVWuIFpu1YB2JakigU8e4SKELdvv\/g\/Q0s3yRIGODuNDGu88RJq5MXDtngrRWQymIwcUxj0OqjVRHGZw\/H8SUdp7XYlW3xLiQB9vgnzF5Cz7EgTy17g6qO8qA4w1KmlhJjW48pD5Fdc95Vv2q5hf0B634hS+kLMeE\/Sw==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"GQAkWLQ\"><img alt=\"D2 custom shapes showing person, cloud, and database cylinder icons linked in sequence - Text to diagram editor - VPasCode\" class=\"alignnone wp-image-1924 size-full\" decoding=\"async\" height=\"670\" sizes=\"(max-width: 470px) 100vw, 470px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d444e3dd.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d444e3dd.png 470w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d444e3dd-210x300.png 210w\" width=\"470\"\/><\/p>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">3. Klassendefinitionen<\/h2>\n<p>D2 unterst\u00fctzt natively die objektorientierte Strukturgestaltung mit der <code>class<\/code>Form.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">D2<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpFyTsKgDAMANC90Dtk1Ctkq07OniC0QQP9SFNdxLtLcXB9bz61lcTVeV\/O3BBuawB0p4MRfCRVa7rQ90tAWFuVvHXkRBJdCJVVf+8j6nyTi4cRYSolMmVrnheKDyJB\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">D2<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpFyTEOgCAMAMCdhD901C+w4WYcfUEDjRKxNRRcjH83TK53S+NIfAhXcfBYA6A7XuQgZFS1pguGII3rHB2stSTeOtKJKfsYC6n+3iepDzXdNIwOJpFMyNa8H+HdILI=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-d2\"><code class=\"language-d2\" data-language=\"d2\" class=\"language-d2\">Kundenkonto: {\r\n  shape: class\r\n\r\n  accountId: String\r\n  emailAddress: String\r\n\r\n  isActive(): Boolean\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpFyTEOgCAMAMCdhD901C+w4WYcfUEDjRKxNRRcjH83TK53S+NIfAhXcfBYA6A7XuQgZFS1pguGII3rHB2stSTeOtKJKfsYC6n+3iepDzXdNIwOJpFMyNa8H+HdILI=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpFyTsKgDAMANC90Dtk1Ctkq07OniC0QQP9SFNdxLtLcXB9bz61lcTVeV\/O3BBuawB0p4MRfCRVa7rQ90tAWFuVvHXkRBJdCJVVf+8j6nyTi4cRYSolMmVrnheKDyJB\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"xQUTaiD\"><img alt=\"D2 class diagram displaying CustomerAccount properties and isActive method - Text to diagram editor - VPasCode\" class=\"alignnone wp-image-1925 size-full\" decoding=\"async\" height=\"432\" sizes=\"(max-width: 522px) 100vw, 522px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d4d8bc24.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d4d8bc24.png 522w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d4d8bc24-300x248.png 300w\" width=\"522\"\/><\/p>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">4. Verschachtelte Container (Gruppierung)<\/h2>\n<p>D2 macht es einfach, Elemente innerhalb von Containern mithilfe von Standard-Klammern (&#8220;<code>{}<\/code>). Sie k\u00f6nnen auch Elemente \u00fcber verschiedene Gruppen hinweg mithilfe der Punkt-Notation verbinden.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">D2<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNptj8EKgkAQhu8L+w4DnvUBOgQmJR6k0HqAYZ1sSWZlXJOI3j03OlR4nOH\/5v8mglzc2FtuYbL+Apljj5ZJBq12Mg\/EDaR931mD3jpewUMrgIrQeDgVEK+h9ugJSmRsSbR6aqXVBs01kAWfBQcvo\/Gj0AdODwXkMzPhPfDpOPeW1ogbSG7W0EJmLw3JX+hdFEE2r4a4DV+AccxkgueyffLjGg4viyZf9SuotvURMuy6FxZ4Y5w=\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">D2<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNptjzGKAkEQRfOGvkOBcXsAA2GUVQxEUdnArBxrZpoZS6muVpZlb+MxzLzYtqOByERFwef993swlXg6eZLIJRy8wvjIip5J2JqJpId47zK+pJMiA\/i1BmBFmKtb7EiK5n7NKwI3hG0MirwPbo6MJYk1f9ZYM8K8fjBmXAgGlVhrlBcnW87cFJUu+PMgZFErN\/e1HAPJ2efUkRlRUGqaj1jb1INvkp1vReF+S3bPdcRQ+bSg7FrU\/9RuS7qc+28mA1h9rTcui4XE4h9mOW93\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-d2\"><code class=\"language-d2\" data-language=\"d2\" class=\"language-d2\"># Gruppierung mit Containern\r\nFrontend-Anwendung: {\r\n  React-Oberfl\u00e4che -&gt; Zustands-Manager\r\n}\r\n\r\nBackend-Infrastruktur: {\r\n  API-Gateway -&gt; Auth-Mikroservice\r\n  API-Gateway -&gt; Bestell-Mikroservice\r\n}\r\n\r\n# Verbindung \u00fcber Gruppen hinweg\r\nFrontend-Anwendung.Zustands-Manager -&gt; Backend-Infrastruktur.API-Gateway: REST-Aufruf<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNptjzGKAkEQRfOGvkOBcXsAA2GUVQxEUdnArBxrZpoZS6muVpZlb+MxzLzYtqOByERFwef993swlXg6eZLIJRy8wvjIip5J2JqJpId47zK+pJMiA\/i1BmBFmKtb7EiK5n7NKwI3hG0MirwPbo6MJYk1f9ZYM8K8fjBmXAgGlVhrlBcnW87cFJUu+PMgZFErN\/e1HAPJ2efUkRlRUGqaj1jb1INvkp1vReF+S3bPdcRQ+bSg7FrU\/9RuS7qc+28mA1h9rTcui4XE4h9mOW93\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNptj8EKgkAQhu8L+w4DnvUBOgQmJR6k0HqAYZ1sSWZlXJOI3j03OlR4nOH\/5v8mglzc2FtuYbL+Apljj5ZJBq12Mg\/EDaR931mD3jpewUMrgIrQeDgVEK+h9ugJSmRsSbR6aqXVBs01kAWfBQcvo\/Gj0AdODwXkMzPhPfDpOPeW1ogbSG7W0EJmLw3JX+hdFEE2r4a4DV+AccxkgueyffLjGg4viyZf9SuotvURMuy6FxZ4Y5w=\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"XvKRcme\"><img loading=\"lazy\" alt=\"D2 nested containers grouping Frontend Application and Backend Infrastructure modules - Text to diagram editor - VPasCode\" class=\"alignnone wp-image-1926 size-full\" decoding=\"async\" height=\"987\" loading=\"lazy\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d5828bfa.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d5828bfa.png 674w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d5828bfa-205x300.png 205w\" width=\"674\"\/><\/p>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">5. Styling &amp; Farben<\/h2>\n<p>Benutzerdefinierte Hintergrundfarben, Strichfarben und Schriftstile k\u00f6nnen direkt innerhalb des Blocks mithilfe des Schl\u00fcsselworts <code>style<\/code>Schl\u00fcsselwort angepasst werden.<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">D2<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNoLTi0qy0xOVXC0Uqjm5VJQKC6pzEmFshUU0jJzcqwUlJRTDVLN09KUIILFJUX52akgYRNjY4vkRKhwUn5RSmqRblFiSmZpsZWCBUi0lpcLiHi5gqG2OOG1JS01zTjZHMOWFEtzcwMzJWzmOSro2ikgGR6cmpei4JtaXJyYngoAKgc5Cw==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">D2<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpzyUzNKy5RcLRSqOblUlAoLqnMSYWyFRTSDu\/JyUnNs1JQUk41SDVPS1OCiBeXFGUmZ4CETYyNLZITocKpydmpeUWJKZmlxVYKFiCxWl4uIOLlcoHY4kTIlrTUNONkcwxbUizNzQ3MlLCY6Kiga6eAMN0vMTkDpKlEoTg1LyU1DwD5pzw8\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-d2\"><code class=\"language-d2\" data-language=\"d2\" class=\"language-d2\">Dienst A: {\r\n  style: {\r\n    f\u00fcllen: \"#e0e7ff\"\r\n    strich: \"#4338ca\"\r\n    eckenradius: 8\r\n  }\r\n}\r\n\r\nDienst B: {\r\n  style: {\r\n    f\u00fcllen: \"#fef3c7\"\r\n    strich: \"#d97706\"\r\n  }\r\n}\r\n\r\nDienst A -&gt; Dienst B: Nachricht senden<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNpzyUzNKy5RcLRSqOblUlAoLqnMSYWyFRTSDu\/JyUnNs1JQUk41SDVPS1OCiBeXFGUmZ4CETYyNLZITocKpydmpeUWJKZmlxVYKFiCxWl4uIOLlcoHY4kTIlrTUNONkcwxbUizNzQ3MlLCY6Kiga6eAMN0vMTkDpKlEoTg1LyU1DwD5pzw8\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#d2:eNoLTi0qy0xOVXC0Uqjm5VJQKC6pzEmFshUU0jJzcqwUlJRTDVLN09KUIILFJUX52akgYRNjY4vkRKhwUn5RSmqRblFiSmZpsZWCBUi0lpcLiHi5gqG2OOG1JS01zTjZHMOWFEtzcwMzJWzmOSro2ikgGR6cmpei4JtaXJyYngoAKgc5Cw==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>D2 in VPasCode bearbeiten<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"ZKCxIsS\"><img loading=\"lazy\" alt=\"D2 styled blocks showing custom background colors and border styles for Service A and Service B - Text to diagram editor - VPasCode\" class=\"alignnone wp-image-1927 size-full\" decoding=\"async\" height=\"455\" loading=\"lazy\" sizes=\"auto, (max-width: 313px) 100vw, 313px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d6582049.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d6582049.png 313w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d6582049-206x300.png 206w\" width=\"313\"\/><\/p>\n<h2 style=\"font-size: 1.5rem; font-weight: bold; color: #1f2937; margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid #4f46e5; padding-left: 0.75rem;\">6. Schnellreferenz f\u00fcr die Syntax<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 1.5rem;\">\n<thead>\n<tr style=\"background-color: #f9fafb;\">\n<th style=\"border: 1px solid #e5e7eb; padding: 0.75rem; text-align: left;\">Konzept<\/th>\n<th style=\"border: 1px solid #e5e7eb; padding: 0.75rem; text-align: left;\">Code-Beispiel<\/th>\n<th style=\"border: 1px solid #e5e7eb; padding: 0.75rem; text-align: left;\">Was es tut<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Gerichtete Verbindung<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code>A -&gt; B<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">Zeichnet einen Pfeil von A nach B.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Verbindungslabel<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code>A -&gt; B: Daten senden<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">F\u00fcgt Text \u00fcber dem Verbindungs-Pfeil hinzu.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Zweiseitiger Pfeil<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code>A &lt;-&gt; B<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">Zeichnet einen Pfeil, der in beide Richtungen zeigt.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Container \/ Gruppen<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code>Server: { ... }<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">Gruppiert mehrere Formen zu einer einzigen Box.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Formenauswahl<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code>form: zylinder<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">\u00c4ndert die Standardbox in ein Datenbank-Symbol, eine Person, eine Wolke, eine Klasse usw.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><strong>Kommentare<\/strong><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\"><code># Meine Kommentar<\/code><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 0.75rem;\">Einzellinien-Kommentare werden w\u00e4hrend der Darstellung ignoriert.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>D2 ist ein modernes, textbasiertes Werkzeug zum Erstellen klarer, lesbarer Diagramme. Es steht f\u00fcr \u201edeklaratives Zeichnen\u201c. In VPasCode erm\u00f6glicht D2 Softwareentwicklern und L\u00f6sungsarchitekten, einfachen Code-Text in saubere visuelle Modelle umzuwandeln, ohne Formen manuell zeichnen zu m\u00fcssen. Tipp:Die D2-Syntax ist so&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"ld_collection":[14],"class_list":["post-2021","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D2 Syntax | Text to diagram tool - VPasCode<\/title>\n<meta name=\"description\" content=\"Master D2 declarative diagramming in VPasCode. 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