Filter: mc_custom_fields

apply_filters( 'mc_custom_fields', array, bool, object, string, string )

Set up custom fields to a form that are sortable in Pro.

Parameters:
Name Type Description
array

$input_fields Array of fields to add.

bool

$has_data Boolean indicating whether the current event is populated.

object

$data Event object.

string

$public 'public' indicating that this is the public display of these fields.

string

$form_id Form ID.

Source:
Returns:

array