# Trigger

The underlying event which triggered the rule.

| Enums ||
|---|---|
| `TRIGGER_UNSPECIFIED` | Trigger is unspecified. |
| `DRIVE_SHARE` | A Drive file is shared. |
| `CHROME_FILE_DOWNLOAD` | A file being downloaded in a Chrome browser. |
| `CHROME_FILE_UPLOAD` | A file being uploaded from a Chrome browser. |
| `CHROME_WEB_CONTENT_UPLOAD` | Web content being uploaded from a Chrome browser. |
| `CHAT_MESSAGE_SENT` | A Chat message is sent. |
| `CHAT_ATTACHMENT_UPLOADED` | A Chat attachment is uploaded. |
| `CHROME_PAGE_PRINT` | A page is being printed by Chrome. |
| `CHROME_URL_VISITED` | A URL is visited within Chrome. |