Add Incoming Webhook to Slack

Here are the instructions to create a new webhook in Slack. This incoming webhook is needed for an OpenWhisk action to post messages to Slack.

1. Under “Apps & Integrations”, search for “Incoming Webhooks”:

2. Add a new WebHook using “Add Configuration”:

3. Choose a desired channel with the dropdown box “Choose a channel” or “create a new channel” followed by “Add Incoming WebHooks integration”:

4. Under “Integration Settings”, make note of “Webhook URL” which will be used in next step. You can customize username and icon with “Customize Name” and “Customize Icon”: