Description
The gform_field_map_choices filter can be used to override the choices available in the field map drop down.
Usage
add_filter( 'gform_field_map_choices', 'your_function_name', 10, 4 );
Parameters
Examples
1. Add new choice
add_filter( 'gform_field_map_choices', function( $fields, $form_id, $field_type, $exclude_field_types ) { $fields[] = array( 'label' => 'The new choice', 'value' => 'new_choice' ); return $fields; }, 10, 4 );
Placement
This code should be placed in the functions.php file of your active theme.
Source Code
This filter is located in \Gravity_Forms\Gravity_Forms\Settings\Fields\Generic_Map::get_value_choices() in includes/settings/fields/class-generic-map.php.
Since
This filter was added in Gravity Forms 2.5.