Filter Hook: This filter is documented in widgets/question_stats.php
Filter Hook: No description
Action Hook: No description
Action Hook: Hook triggered before an email added to current sending list.
Action Hook: Action triggered after adding email template tag.
Filter Hook: Filter for adding default email template.
Filter Hook: No description
Filter Hook: This filter allows overriding `$main_tags`. Which is used in main email template.
Filter Hook: No description
Filter Hook: No description