Filter Hook: Allows filtering email template after its prepared, passed be reference.
Filter Hook: Used for registering a default email template for an event.
Action Hook: Hook triggered before an email added to current sending list.
Action Hook: Action triggered after adding email template tag.
Action Hook: Action triggered after rendering field markup.
Filter Hook: Used for registering a default email template for an event.
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: This filter allows overriding `$main_tags`. Which is used in main email template.