add_action(array('name' => "ct_add_parameter", 'function_name' => 'VOTRE FONCTION', 'key' => 'uniqid du contexte'));
function add_parameters_to_edit_test($params = array()) {
ct_register_parameter(array('parameter_name' => 'test_date_edited', 'parameter_value' => date('Y-m-d H:i')));
}