Paid Memberships Pro Slack Integration GPL Overview:

The Slack Integration add-on allows you to receive Membership Checkout notifications in the specified Slack channel.

Slack is a messaging app for teams. You can use Slack in your browser, or via a native app for iOS, Android, Mac, or Windows.

Settings

First, follow this guide from Slack to create a new incoming webhook.

Then under Settings > PMPro Slack in the WordPress admin:

1. Paste the webhook URL into the “Webhook URL” field
2. Select the levels you’d like to receive Slack notifications for
3. Click “Save Changes”