# Delete Custom Field

`lawmatics_delete-custom-field` · Lawmatics MCP tool · Custom Fields

Delete a custom field definition from Lawmatics by ID. This is irreversible.

## Input

- **customFieldId** `string` (required, pattern: ^\d+$) — ID of the custom field to delete; a numeric string

## Output

- **id** `string` (required) — Lawmatics custom field ID that was deleted
- **deleted** `boolean` (required) — Always true; confirms the custom field was deleted