Filter: gform_notification_email_header

Dynamic Hook Name

This hook supports dynamic naming with the following modifiers:

1. rgar($entry, 'form_id')
2. rgar($notification, 'id')

Example hook names:

• gform_notification_email_header (base hook)
• gform_notification_email_header_1 (with first modifier value)
• gform_notification_email_header_1_2 (with all modifier values)

Filters the notification email source header value.

Parameters

Name	Type	Description
$header	string	The source header value. Defaults to site={site_url}, if the GF_ENABLE_NOTIFICATION_EMAIL_HEADER constant is used.
$notification	array	The current notification object.
$entry	array	The current entry object.

Since

• 2.9.14

Source

Defined in common.php at line 2422