Database alerts with Notion and SIGNL4

Objective In industry and production sometimes machine data is available in databases. That might be sensor data like temperature or pressure or just binary information. In this sample flow reads machine data and sends an alert to your SIGNL4 team when the machine is down. When the machine is up again the alert in SIGNL4 will get closed automatically. Setup We simulate the machine data using a Notion table. When we un-check the Up box we simulate a machine-down event. In certain intervals n8n checks the database for down items. If such an item has been found an alert is send using SIGNL4 and the item in Notion is updates (in order not to read it again). Status updates from SIGNL4 (acknowledg

Help me set up the n8n workflow "Database alerts with Notion and SIGNL4" (https://n8n.io/workflows/1122). It uses: SIGNL4, Notion. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.