Receive a Mattermost message when new record gets added to Notion

This workflow allows you to receive a Mattermost message when meeting notes get added to the Notion. Prerequisites Create a table in Notion similar to this: Meeting Notes Follow the steps mentioned in the documentation, to create credentials for the Notion Trigger node. Create create credentials for Mattermost. Notion Trigger: The Notion Trigger node will trigger the workflow when new data gets added to Notion. IF node: This node will check if the notes belong to the team Marketing. If the team is Marketing the node will true, otherwise false. Mattermost node: This node will send a message about the new data in the channel 'Marketing' in Mattermost. If you have a different channel, use that

Help me set up the n8n workflow "Receive a Mattermost message when new record gets added to Notion" (https://n8n.io/workflows/1089). It uses: Mattermost. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.