This document lists the parameters for
various types of
Gmail activity events. You can retrieve these events by
calling [UserUsageReport.get()](https://developers.google.com/workspace/admin/reports/v1/reference/userUsageReport/get)
with `parameters=gmail:PARAMETER`.

| Name | Type | Description |
|---|---|---|
| `is_gmail_enabled` | boolean | If true, the user's Gmail service is enabled. |
| `num_emails_exchanged` | integer | The total number of emails exchanged. This is the total of num_emails_sent plus num_emails_received. |
| `num_emails_received` | integer | The number of emails received by the user. |
| `num_emails_sent` | integer | The number of emails sent by the user. |
| `num_spam_emails_received` | integer | The number of emails received by the user's marked as spam mail. |
| `timestamp_last_access` | integer | The time of the most recent access to the user's account within last 30 days. This can be triggered by non-user events requiring access, such as receiving mail. |
| `timestamp_last_imap` | integer | The time of user's most recent IMAP interaction within last 30 days. |
| `timestamp_last_interaction` | integer | The time of the user's most recent interaction within last 30 days. |
| `timestamp_last_pop` | integer | The time of user's most recent POP interaction within last 30 days. |
| `timestamp_last_webmail` | integer | The time of user's most recent interaction from web Gmail within last 30 days. |