{
  "args": {
    "canvas_id": {
      "desc": "Encoded ID of the canvas",
      "example": "F1234ABCD",
      "required": true
    },
    "changes": {
      "desc": "List of changes to apply on the specified canvas",
      "example": "[{\"operation\":\"insert_before\",\"document_content\":{\"type\":\"markdown\",\"markdown\":\"Example content\"},\"section_id\":\"temp:C:AAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}]",
      "required": true,
      "type": "array"
    }
  },
  "desc": "Update an existing canvas",
  "errors": {
    "canvas_disabled_user_team": "Canvas is disabled on user's team",
    "canvas_editing_failed": "The changes to the canvas failed to be applied.",
    "canvas_not_found": "The canvas you wish to apply changes to is not available.",
    "free_teams_cannot_edit_standalone_canvases": "Free teams cannot edit standalone canvases",
    "restricted_action": "User does not have permission to perform this action."
  },
  "rate_limit": {
    "label": "Tier 3: 50+ per minute",
    "url": "https://docs.slack.dev/apis/web-api/rate-limits"
  },
  "scopes": {
    "bot": [
      {
        "name": "canvases:write",
        "url": "https://docs.slack.dev/reference/scopes/canvases.write"
      }
    ],
    "user": [
      {
        "name": "canvases:write",
        "url": "https://docs.slack.dev/reference/scopes/canvases.write"
      }
    ]
  }
}