'title' => ts('Email ID'),
'description' => ts('FK to Email'),
'where' => 'civicrm_mailing_recipients.email_id',
- 'default' => 'NULL',
+ 'default' => NULL,
'table_name' => 'civicrm_mailing_recipients',
'entity' => 'Recipients',
'bao' => 'CRM_Mailing_BAO_Recipients',
'title' => ts('Phone ID'),
'description' => ts('FK to Phone'),
'where' => 'civicrm_mailing_recipients.phone_id',
- 'default' => 'NULL',
+ 'default' => NULL,
'table_name' => 'civicrm_mailing_recipients',
'entity' => 'Recipients',
'bao' => 'CRM_Mailing_BAO_Recipients',