Did you mean (for dovecot): hook_mail_storage_created   pop3_migration_mail_storage_created   notify_status_mail_user_created   snarf_mail_storage_created   fail_mail_storage_create  

Your search defs:notify_next_hook_mail_storage_created did not match any files.
Suggestions:

• Make sure all terms are spelled correctly.
• Try different keywords.
• Try more general keywords.
• Use 'wil*' cards if you are looking for partial match.