Handle GDPR data deletion requests with Slack

Description

This workflow automatically deletes user data from different apps/services when a specific slash command is issued in Slack.

Watch this talk and demo to learn more about this use case. The demo uses Slack, but Mattermost is Slack-compatible, so you can also connect Mattermost in this workflow.

Prerequisites

Accounts and credentials for the apps/services you want to use.
Some basic knowledge of JavaScript.

Nodes

Webhook node triggers the workflow when a Slack slash command is issued.
IF nodes confirm Slack's verification token and verify that the data has the expected format.
Set node simplifies the payload.
Switch node chooses the correct path for the operation to perform.
Respond to Webhook nodes send responses back to Slack.
Execute Workflow nodes call sub-workflows tailored to deleting data from each individual service.
Function node, Crypto node, and Airtable node generate and store a log entry containing a hash value.
HTTP Request node sends the final response back to Slack.