lists.insert

Insert a new list item before or after an existing list item. The new item inherits the target list context.

Summary

Insert a new list item before or after an existing list item. The new item inherits the target list context.

• Operation ID: lists.insert
• API member path: editor.doc.lists.insert(...)
• Mutates document: yes
• Idempotency: non-idempotent
• Supports tracked mode: yes
• Supports dry run: yes
• Deterministic target resolution: yes

Expected result

Returns a ListsInsertResult with the new list item address and block ID.

Input fields

Field	Type	Required	Description
position	enum	yes	"before", "after"
target	ListItemAddress	yes	ListItemAddress
target.kind	"block"	yes	Constant: "block"
target.nodeId	string	yes
target.nodeType	"listItem"	yes	Constant: "listItem"
text	string	no

Example request

{
  "position": "before",
  "target": {
    "kind": "block",
    "nodeId": "node-def456",
    "nodeType": "listItem"
  },
  "text": "Hello, world."
}

Output fields

Variant 1 (success=true)

Field	Type	Required	Description
insertionPoint	TextAddress	yes	TextAddress
insertionPoint.blockId	string	yes
insertionPoint.kind	"text"	yes	Constant: "text"
insertionPoint.range	Range	yes	Range
insertionPoint.range.end	integer	yes
insertionPoint.range.start	integer	yes
item	ListItemAddress	yes	ListItemAddress
item.kind	"block"	yes	Constant: "block"
item.nodeId	string	yes
item.nodeType	"listItem"	yes	Constant: "listItem"
success	true	yes	Constant: true
trackedChangeRefs	TrackedChangeAddress[]	no

Variant 2 (success=false)

Field	Type	Required	Description
failure	object	yes
failure.code	enum	yes	"INVALID_TARGET"
failure.details	any	no
failure.message	string	yes
success	false	yes	Constant: false

Example response

{
  "insertionPoint": {
    "blockId": "block-abc123",
    "kind": "text",
    "range": {
      "end": 10,
      "start": 0
    }
  },
  "item": {
    "kind": "block",
    "nodeId": "node-def456",
    "nodeType": "listItem"
  },
  "success": true,
  "trackedChangeRefs": [
    {
      "entityId": "entity-789",
      "entityType": "trackedChange",
      "kind": "entity",
      "story": {
        "kind": "story",
        "storyType": "body"
      }
    }
  ]
}

Pre-apply throws

• TARGET_NOT_FOUND
• CAPABILITY_UNAVAILABLE
• INVALID_TARGET

Non-applied failure codes

• INVALID_TARGET

Raw schemas

Raw input schema

{
  "additionalProperties": false,
  "properties": {
    "position": {
      "description": "Required. Insert position relative to target: 'before' or 'after'.",
      "enum": [
        "before",
        "after"
      ]
    },
    "target": {
      "$ref": "#/$defs/ListItemAddress",
      "description": "The target list item. For 'insert': the item to insert relative to. For 'create' with mode 'fromParagraphs': use nodeType 'paragraph' instead. Format: {kind:'block', nodeType:'listItem', nodeId:'<id>'}."
    },
    "text": {
      "description": "Text content for the new list item.",
      "type": "string"
    }
  },
  "required": [
    "target",
    "position"
  ],
  "type": "object"
}

Raw output schema

{
  "oneOf": [
    {
      "additionalProperties": false,
      "properties": {
        "insertionPoint": {
          "$ref": "#/$defs/TextAddress"
        },
        "item": {
          "$ref": "#/$defs/ListItemAddress"
        },
        "success": {
          "const": true
        },
        "trackedChangeRefs": {
          "items": {
            "$ref": "#/$defs/TrackedChangeAddress"
          },
          "type": "array"
        }
      },
      "required": [
        "success",
        "item",
        "insertionPoint"
      ],
      "type": "object"
    },
    {
      "additionalProperties": false,
      "properties": {
        "failure": {
          "additionalProperties": false,
          "properties": {
            "code": {
              "enum": [
                "INVALID_TARGET"
              ]
            },
            "details": {},
            "message": {
              "type": "string"
            }
          },
          "required": [
            "code",
            "message"
          ],
          "type": "object"
        },
        "success": {
          "const": false
        }
      },
      "required": [
        "success",
        "failure"
      ],
      "type": "object"
    }
  ]
}

Raw success schema

{
  "additionalProperties": false,
  "properties": {
    "insertionPoint": {
      "$ref": "#/$defs/TextAddress"
    },
    "item": {
      "$ref": "#/$defs/ListItemAddress"
    },
    "success": {
      "const": true
    },
    "trackedChangeRefs": {
      "items": {
        "$ref": "#/$defs/TrackedChangeAddress"
      },
      "type": "array"
    }
  },
  "required": [
    "success",
    "item",
    "insertionPoint"
  ],
  "type": "object"
}

Raw failure schema

{
  "additionalProperties": false,
  "properties": {
    "failure": {
      "additionalProperties": false,
      "properties": {
        "code": {
          "enum": [
            "INVALID_TARGET"
          ]
        },
        "details": {},
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object"
    },
    "success": {
      "const": false
    }
  },
  "required": [
    "success",
    "failure"
  ],
  "type": "object"
}