gistfile1.txt

add_filter( 'propertyhive_property_enquiry_to', 'custom_enquiry_to_address', 10, 2 );
function custom_enquiry_to_address( $to, $property_ids )
{
    $property_id = is_array($property_ids) ? (int)$property_ids[0] : (int)$property_ids;
    
    if ( empty($property_id) ) { return $to; }
    
    $property = new PH_Property($property_id);
    
    if ( $property->imported_id == 'REAPIT-ID-HERE' )
    {
         return '[email protected]';
    }
    
   return $to;
}