This document lists the events and parameters for
      various types of
      Gmail activity events. You can retrieve these events by
      calling Activities.list() 
with applicationName=gmail 
.
Gmail audit event type
The type of Gmail audit events exported to dasher customers.
          Events of this type are returned with type=delivery_type 
.
Gmail audit event
.
delivery 
event_  
 message 
General information about the event. The listed nested parameter can be used as a filter using the full parameter name.
-  event_info.mail_event_type(integer)Logged event type. Since eventNameis always a constant (delivery) for Gmail audit logs, this field helps determine the actual event that occurred.Possible values are: -  0: Unknown mail event type
-  1: Message sent
-  2: Message received
-  3: A Gmail user manually applied a spam classification to the message. For example, the user marked the message as spam, phishing, or not spam.
-  4: Gmail flagged the message as spam after delivery. Several factors can cause this, including poor sender reputation or new virus hashes.
-  5: Message quarantined
-  6: Message released from quarantine
-  7: Message opened for the first time
-  8: Message marked as unread
-  9: Message replied to for the first time
-  10: Message forwarded for the first time
-  11: Message autoforwarded with a Gmail account forwarding setting
-  12: Message moved to Inbox
-  13: Message moved to Trash
-  14: Message removed from Trash
-  15: Link in message body was clicked
-  16: Link in message attachment link was clicked during attachment preview
-  17: One or more message attachments were downloaded
-  18: One or more message attachments saved to Google Drive
-  19: One or more Google Drive items in the message were saved to the recipient's Google Drive
-  20: Classification label applied to message
-  21: Message classification label change
-  22: Classification label removed from message
-  23: Classification label applied to all message attachments
-  24: Classification label changed on all message attachments
-  25: Classification label removed from all message attachments
-  26: Message archived
-  27: Message permanently deleted
-  28: One or more message attachments previewed
-  29: Message saved as draft
-  30: Message couldn't be delivered, and bounced
-  31: Message viewed, including first and following readings. For details on a known iOS issue, go to Google Workspace known issues.
-  32: Message downloaded
-  33: An application accessed a message on behalf of a user
-  34: Delegate Granted
 
-  
GET https://admin.googleapis.com  
An event happened during mail delivery 

