do_action( 'mc_handle_importer_custom_fields', $source )
Handle custom fields passed from the importer before doing the import.
Parameters:
| Name | Type | Description | 
|---|---|---|
| $source | string | Importer source name. | 
- Source:
Handle custom fields passed from the importer before doing the import.
| Name | Type | Description | 
|---|---|---|
| $source | string | Importer source name. |