Dynamically populate checkbox field
add_filter(‘frm_setup_new_fields_vars’, ‘frm_set_checked’, 20, 2); function frm_set_checked($values, $field){ if($field->id == 125){//Replace with the ID of your field $values[‘value’] = array($_GET[‘color1‘], $_GET[‘color2‘]); //Replace color1 and color2 with the names of your parameters in the URL } return $values; }Continue reading