The Slack add-on needs to be installed and activated to see the features mentioned in this this documentation.
Navigate to the Emails & Actions tab then select Add new Action.

Select the Slack Action.

Setup your Action Name, Bot Name, and Message.

- Action Name – The Name you would like to give to your Action
- Bot Name – The Name that will show in Slack that the submission was from. You can use static text or choose a merge tag to input data from the user submission.
- Message – The message you would like to show up in Slack. You can use static text or choose a merge tag to input data from the user submission.
Setup your Slack webhook URL.
You can go To https://’your-team-name’.slack.com/services/new/incoming-webhook to get this URL.

You will also need the Incoming Webhooks application active on your Slack. https://slack.com/apps/A0F7XDUAZ-incoming-webhooks
You can also add an Emoji to the data sent to Slack.

A list of Emojis can be found here: http://www.emoji-cheat-sheet.com

