lists.setLevelNumberStyle

Set the numbering style (e.g. decimal, lowerLetter, upperRoman) for a specific list level. Rejects “bullet”: use setLevelBullet instead. Sequence-local: clones shared definitions.

Summary

Set the numbering style (e.g. decimal, lowerLetter, upperRoman) for a specific list level. Rejects “bullet”: use setLevelBullet instead. Sequence-local: clones shared definitions.

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

Expected result

Returns a ListsMutateItemResult receipt; reports NO_OP if the value already matches.

Input fields

Field	Type	Required	Description
level	integer	yes
numberStyle	string	yes
target	ListItemAddress	yes	ListItemAddress
target.kind	"block"	yes	Constant: "block"
target.nodeId	string	yes
target.nodeType	"listItem"	yes	Constant: "listItem"

Example request

{
  "level": 1,
  "numberStyle": "example",
  "target": {
    "kind": "block",
    "nodeId": "node-def456",
    "nodeType": "listItem"
  }
}

Output fields

Variant 1 (success=true)

Field	Type	Required	Description
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

Variant 2 (success=false)

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

Example response

{
  "item": {
    "kind": "block",
    "nodeId": "node-def456",
    "nodeType": "listItem"
  },
  "success": true
}

Pre-apply throws

• TARGET_NOT_FOUND
• CAPABILITY_UNAVAILABLE
• INVALID_TARGET
• INVALID_INPUT

Non-applied failure codes

• NO_OP
• INVALID_TARGET
• INVALID_INPUT
• LEVEL_OUT_OF_RANGE
• LEVEL_NOT_FOUND

Raw schemas

Raw input schema

{
  "additionalProperties": false,
  "properties": {
    "level": {
      "maximum": 8,
      "minimum": 0,
      "type": "integer"
    },
    "numberStyle": {
      "type": "string"
    },
    "target": {
      "$ref": "#/$defs/ListItemAddress"
    }
  },
  "required": [
    "target",
    "level",
    "numberStyle"
  ],
  "type": "object"
}

Raw output schema

{
  "oneOf": [
    {
      "additionalProperties": false,
      "properties": {
        "item": {
          "$ref": "#/$defs/ListItemAddress"
        },
        "success": {
          "const": true
        }
      },
      "required": [
        "success",
        "item"
      ],
      "type": "object"
    },
    {
      "additionalProperties": false,
      "properties": {
        "failure": {
          "additionalProperties": false,
          "properties": {
            "code": {
              "enum": [
                "NO_OP",
                "INVALID_TARGET",
                "INVALID_INPUT",
                "LEVEL_OUT_OF_RANGE",
                "LEVEL_NOT_FOUND"
              ]
            },
            "details": {},
            "message": {
              "type": "string"
            }
          },
          "required": [
            "code",
            "message"
          ],
          "type": "object"
        },
        "success": {
          "const": false
        }
      },
      "required": [
        "success",
        "failure"
      ],
      "type": "object"
    }
  ]
}

Raw success schema

{
  "additionalProperties": false,
  "properties": {
    "item": {
      "$ref": "#/$defs/ListItemAddress"
    },
    "success": {
      "const": true
    }
  },
  "required": [
    "success",
    "item"
  ],
  "type": "object"
}

Raw failure schema

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