# lists.insert

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



- Member path: `doc.lists.insert(…)`
- Mutates document: yes
- Idempotency: `non-idempotent`
- Supports tracked mode: yes
- Supports dry run: yes

## Expected result

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

## Input schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$defs": {
    "ListItemAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "block"
        },
        "nodeType": {
          "const": "listItem"
        },
        "nodeId": {
          "type": "string"
        },
        "story": {
          "$ref": "#/$defs/StoryLocator"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "nodeType",
        "nodeId"
      ]
    },
    "StoryLocator": {
      "description": "Story scope. Defaults to document body when omitted. Use {kind:'story', storyType:'body'} for body, or other storyType values for headers, footers, footnotes, endnotes.",
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "body"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "headerFooterSlot"
            },
            "section": {
              "$ref": "#/$defs/SectionAddress"
            },
            "headerFooterKind": {
              "enum": [
                "header",
                "footer"
              ]
            },
            "variant": {
              "enum": [
                "default",
                "first",
                "even"
              ]
            },
            "resolution": {
              "enum": [
                "effective",
                "explicit"
              ]
            },
            "onWrite": {
              "enum": [
                "materializeIfInherited",
                "editResolvedPart",
                "error"
              ]
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "section",
            "headerFooterKind",
            "variant"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "headerFooterPart"
            },
            "refId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "refId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "footnote"
            },
            "noteId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "noteId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "endnote"
            },
            "noteId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "noteId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "textbox"
            },
            "textboxId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "textboxId"
          ]
        }
      ]
    },
    "SectionAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "section"
        },
        "sectionId": {
          "type": "string"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "sectionId"
      ]
    }
  },
  "type": "object",
  "properties": {
    "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>'}."
    },
    "position": {
      "enum": [
        "before",
        "after"
      ],
      "description": "Required. Insert position relative to target: 'before' or 'after'."
    },
    "text": {
      "type": "string",
      "description": "Text content for the new list item."
    }
  },
  "additionalProperties": false,
  "required": [
    "target",
    "position"
  ]
}
```

## Output schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$defs": {
    "ListItemAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "block"
        },
        "nodeType": {
          "const": "listItem"
        },
        "nodeId": {
          "type": "string"
        },
        "story": {
          "$ref": "#/$defs/StoryLocator"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "nodeType",
        "nodeId"
      ]
    },
    "StoryLocator": {
      "description": "Story scope. Defaults to document body when omitted. Use {kind:'story', storyType:'body'} for body, or other storyType values for headers, footers, footnotes, endnotes.",
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "body"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "headerFooterSlot"
            },
            "section": {
              "$ref": "#/$defs/SectionAddress"
            },
            "headerFooterKind": {
              "enum": [
                "header",
                "footer"
              ]
            },
            "variant": {
              "enum": [
                "default",
                "first",
                "even"
              ]
            },
            "resolution": {
              "enum": [
                "effective",
                "explicit"
              ]
            },
            "onWrite": {
              "enum": [
                "materializeIfInherited",
                "editResolvedPart",
                "error"
              ]
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "section",
            "headerFooterKind",
            "variant"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "headerFooterPart"
            },
            "refId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "refId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "footnote"
            },
            "noteId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "noteId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "endnote"
            },
            "noteId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "noteId"
          ]
        },
        {
          "type": "object",
          "properties": {
            "kind": {
              "const": "story"
            },
            "storyType": {
              "const": "textbox"
            },
            "textboxId": {
              "type": "string"
            }
          },
          "additionalProperties": false,
          "required": [
            "kind",
            "storyType",
            "textboxId"
          ]
        }
      ]
    },
    "SectionAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "section"
        },
        "sectionId": {
          "type": "string"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "sectionId"
      ]
    },
    "TextAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "text"
        },
        "blockId": {
          "type": "string"
        },
        "range": {
          "$ref": "#/$defs/Range"
        },
        "story": {
          "$ref": "#/$defs/StoryLocator"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "blockId",
        "range"
      ]
    },
    "Range": {
      "type": "object",
      "properties": {
        "start": {
          "type": "integer"
        },
        "end": {
          "type": "integer"
        }
      },
      "additionalProperties": false,
      "required": [
        "start",
        "end"
      ]
    },
    "TrackedChangeAddress": {
      "type": "object",
      "properties": {
        "kind": {
          "const": "entity"
        },
        "entityType": {
          "const": "trackedChange"
        },
        "entityId": {
          "type": "string"
        },
        "story": {
          "$ref": "#/$defs/StoryLocator"
        }
      },
      "additionalProperties": false,
      "required": [
        "kind",
        "entityType",
        "entityId"
      ]
    }
  },
  "oneOf": [
    {
      "type": "object",
      "properties": {
        "success": {
          "const": true
        },
        "item": {
          "$ref": "#/$defs/ListItemAddress"
        },
        "insertionPoint": {
          "$ref": "#/$defs/TextAddress"
        },
        "trackedChangeRefs": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/TrackedChangeAddress"
          }
        }
      },
      "additionalProperties": false,
      "required": [
        "success",
        "item",
        "insertionPoint"
      ]
    },
    {
      "type": "object",
      "properties": {
        "success": {
          "const": false
        },
        "failure": {
          "type": "object",
          "properties": {
            "code": {
              "enum": [
                "INVALID_TARGET"
              ]
            },
            "message": {
              "type": "string"
            },
            "details": {}
          },
          "additionalProperties": false,
          "required": [
            "code",
            "message"
          ]
        }
      },
      "additionalProperties": false,
      "required": [
        "success",
        "failure"
      ]
    }
  ]
}
```

## Pre-apply throws

- `TARGET_NOT_FOUND`
- `CAPABILITY_UNAVAILABLE`
- `INVALID_TARGET`

## Non-applied receipt codes

- `INVALID_TARGET`