epl_search_widget_label_property_id

You can use this filter to modify the default Search by Property ID / Address label in the Search shortcode and Search Widget.

function my_epl_search_widget_label_property_id() {
	$search_label = 'My Custom Label';
	return $search_label;
}
add_filter( 'epl_search_widget_label_property_id' , 'my_epl_search_widget_label_property_id' );