AppFlowy/frontend/app_flowy/packages/flowy_editor/example/assets/document.json

{
    "document": {
      "type": "editor",
      "attributes": {},
      "children": [
        {
          "type": "image",
          "attributes": {
            "image_src": "https://images.squarespace-cdn.com/content/v1/617f6f16b877c06711e87373/c3f23723-37f4-44d7-9c5d-6e2a53064ae7/Asset+10.png?format=1500w"
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "👋 Welcome to AppFlowy!", "attributes": { "href": "https://www.appflowy.io/", "heading": "h1" } }
          ],
          "attributes": {
            "subtype": "with-heading",
            "heading": "h1"
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "Here are the basics", "attributes": { "heading": "h2" } }
          ],
          "attributes": { 
            "subtype": "with-heading",
            "heading": "h2" 
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "Click anywhere and just start typing." }
          ],
          "attributes": {
            "subtype": "with-checkbox",
            "checkbox": true
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "Highlight", "attributes": { "highlight": "0xFFFFFF00" } },
            { "insert": " Click anywhere and just start typing" },
            { "insert": " any text, and use the menu at the bottom to " },
            { "insert": "style", "attributes": { "italic": true } },
            { "insert": " your ", "attributes": { "bold": true } },
            { "insert": "writing", "attributes": { "underline": true } },
            { "insert": " howeverv you like.", "attributes": { "strikethrough": true } }
          ],
          "attributes": {
            "subtype": "with-checkbox",
            "checkbox": false
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "Have a question? ", "attributes": { "heading": "h2" } }
          ],
          "attributes": { 
            "subtype": "with-heading",
            "heading": "h2"
          }
        },
        {
          "type": "text",
          "delta": [
            { "insert": "Click the '?' at the bottom right for help and support."}
          ],
          "attributes": {}
        }
      ]
    }
  }