lists.split

Compound: split a list sequence at the target item into two independent sequences. Runs lists.separate then (by default) lists.setValue(1) so the new half starts numbering fresh at 1. Pass restartNumbering:false for raw separate semantics (new half continues the previous count).

Summary

Compound: split a list sequence at the target item into two independent sequences. Runs lists.separate then (by default) lists.setValue(1) so the new half starts numbering fresh at 1. Pass restartNumbering:false for raw separate semantics (new half continues the previous count).

• Operation ID: lists.split
• API member path: editor.doc.lists.split(...)
• Mutates document: yes
• Idempotency: conditional
• Supports tracked mode: no
• Supports dry run: yes
• Deterministic target resolution: yes

Expected result

Returns a ListsSplitResult with the new listId, numId, and the restart value applied (or null).

Input fields

Field	Type	Required	Description
restartNumbering	boolean	no
target	ListItemAddress	yes	ListItemAddress
target.kind	"block"	yes	Constant: "block"
target.nodeId	string	yes
target.nodeType	"listItem"	yes	Constant: "listItem"

Example request

{
  "restartNumbering": true,
  "target": {
    "kind": "block",
    "nodeId": "node-def456",
    "nodeType": "listItem"
  }
}

Output fields

Variant 1 (success=true)

Field	Type	Required	Description
listId	string	yes
numId	integer	yes
restartedAt	any	yes
success	true	yes	Constant: true

Variant 2 (success=false)

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

Example response

{
  "listId": "example",
  "numId": 1,
  "restartedAt": {},
  "success": true
}

Pre-apply throws

• TARGET_NOT_FOUND
• CAPABILITY_UNAVAILABLE
• INVALID_TARGET

Non-applied failure codes

• INVALID_TARGET
• NO_OP

Raw schemas

Raw input schema

{
  "additionalProperties": false,
  "properties": {
    "restartNumbering": {
      "type": "boolean"
    },
    "target": {
      "$ref": "#/$defs/ListItemAddress"
    }
  },
  "required": [
    "target"
  ],
  "type": "object"
}

Raw output schema

{
  "oneOf": [
    {
      "additionalProperties": false,
      "properties": {
        "listId": {
          "type": "string"
        },
        "numId": {
          "type": "integer"
        },
        "restartedAt": {
          "type": [
            "integer",
            "null"
          ]
        },
        "success": {
          "const": true
        }
      },
      "required": [
        "success",
        "listId",
        "numId",
        "restartedAt"
      ],
      "type": "object"
    },
    {
      "additionalProperties": false,
      "properties": {
        "failure": {
          "additionalProperties": false,
          "properties": {
            "code": {
              "enum": [
                "INVALID_TARGET",
                "NO_OP"
              ]
            },
            "details": {},
            "message": {
              "type": "string"
            }
          },
          "required": [
            "code",
            "message"
          ],
          "type": "object"
        },
        "success": {
          "const": false
        }
      },
      "required": [
        "success",
        "failure"
      ],
      "type": "object"
    }
  ]
}

Raw success schema

{
  "additionalProperties": false,
  "properties": {
    "listId": {
      "type": "string"
    },
    "numId": {
      "type": "integer"
    },
    "restartedAt": {
      "type": [
        "integer",
        "null"
      ]
    },
    "success": {
      "const": true
    }
  },
  "required": [
    "success",
    "listId",
    "numId",
    "restartedAt"
  ],
  "type": "object"
}

Raw failure schema

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