+ // dev/cor#1768 Allow mailer sync interval to be configured by the
+ // adminstrator.
+ 'civimail_sync_interval' => [
+ 'group_name' => 'Mailing Preferences',
+ 'group' => 'mailing',
+ 'name' => 'civimail_sync_interval',
+ 'type' => 'Integer',
+ 'quick_form_type' => 'Element',
+ 'html_type' => 'text',
+ 'html_attributes' => [
+ 'size' => 4,
+ 'maxlength' => 8,
+ ],
+ 'default' => 10,
+ 'title' => ts('Database Update Frequency'),
+ 'add' => '5.28',
+ 'is_domain' => 1,
+ 'is_contact' => 0,
+ 'description' => ts('The frequency that CiviMail updates its sent mail database.'),
+ 'help_text' => NULL,
+ ],