How to Add Content Posted in a Specific Room on Slack to Google Docs
Step 1: Integrate Slack and Google Docs with My Apps
Connect Slack and Google Docs to Yoom and register My Apps.
Registering My Apps in advance makes automation settings smooth.
■Slack

Enter the name of the app to integrate in the box.

When the following screen appears, enter the URL of the workspace you want to integrate.

When the following screen appears, select the channel to post to from the dropdown menu.
After selecting the channel, click "Allow".
For more details on registering My Apps in Slack, please refer to here.

This completes the My Apps registration for Slack.
■Google Docs

The following screen will appear, read the terms and click "Next".

Yoom is requesting additional access to your Google account Press continue. When you move to the authentication screen, select Allow all permissions.

The screen will change, and if the above display appears, the integration is complete.