Additional field model.
| Name | Type | Description |
|---|---|---|
| data_type | String | Field value data type. Allowed values: string, int, decimal, bool. |
| entity_type | String | Entity the additional field is linked to. Allowed values: Default, RetailCustomer, Partner, DocPurchase, Item, DocPayment, DocAccountMovement, Task, Lead, Deal, Client, Ticket, User, OperatingCash. |
| id | Int64 | Field ID. |
| is_custom | Boolean | Indicates whether the field is custom (true) or system-defined (false). |
| key | String | Unique field key (machine name). |
| metadata | String | Field metadata. Optional field, up to 500 characters including escaping. |
| name | String | Human-readable field name. |
| required | Boolean | Indicates whether the field is required. |