If your institution allows, you may be able to add Slack as a contact method in Canvas. Notifications from Canvas are received via message in the Slack app. Slack appears under the Other Contacts sidebar heading.
Once you have enabled the contact method, learn how to set notification preferences.
Open User Settings
In Global Navigation, click the Account link . Then click the Settings link .
Register Slack Email
Click the Slack Email tab .
Enter the email address associated with your Slack account in the Slack Email field .
Click the Register Slack Email button .
To delete Slack as a contact method, click the Delete icon.