| Name | Type | Description | Notes |
|---|---|---|---|
| name | string | Custom field name (must be unique within team) | |
| type | int | Field data type. Values: - `0` - Text (max 255 characters) - `1` - Number (integer or decimal) - `2` - Date (YYYY-MM-DD format) - `3` - Boolean (true/false) - `4` - Phone number (international format) | |
| description | string | Field description for documentation |