I have inherited a custom module, which groups together some field of an custom ContentType and sends it by email.

In the module there are 3 functions.

Email check preg match:

function __autoload($class_name) {
  require_once($class_name . '.lib.php');

This function gets triggered when the node is saved or updated. Right?

function vumveranstaltungsmailer_action_info() {
  return array(
    'vumveranstaltungsmailer_action' => array(
      'type' => 'node',
      'label' => 'vumveranstaltungsmailer_action',
      'configurable' => FALSE,
      'triggers' => array('node_insert', 'node_update'),

Do stuff, send email:

function vumveranstaltungsmailer_action($object, $context) {
//do Stuff, sends email. Not shown here.

//I want to set this field to empty/clear it


Bare with me, I am pretty a beginner/noob. I am a bit overwhelmed where and how to do it. Please give me a simple solution, so I understand it. Quick and dirty is fine for me ;-)

  • so you want to change the field value after sending the email ?
    – harshal
    Nov 13, 2013 at 16:48
  • Yes, because I need the field value as the recipient. Nov 13, 2013 at 16:51
  • ok I will answer pls check the answer
    – harshal
    Nov 13, 2013 at 16:52
  • are all the fields from the same node or from different can u elaborate on that part?
    – harshal
    Nov 13, 2013 at 16:52
  • Yes, all the fields are from the same node/CT. ` function vumveranstaltungsmailer_action($object, $context) { dsm($object, '$object'); if ($object->type === 'veranstaltung' && $object->status === 1 && isset($object->field_email_mailer_01['und']['0']['value'])) { //do Stuff, sends email. Not shown here. //I want to set this field to empty/clear it $object->field_email_mailer_01['und']['0']['value']->set(NULL); } } ` Nov 13, 2013 at 16:58

1 Answer 1


Once you get your nid of the node you can use the code below to change the field value

  $node = node_load($nid);

    //similarly for other fields you can change the value

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