Add a new notification in the Pushcut app.
Set a name and enter title and message.
Tap Default Action, and set a shortcut or URL that opens your notes document.
This example opens a document in the Google Docs app.
Create a new applet in IFTTT.
Tap on +this and select Google Calendar as the trigger service.
Tap "Event from search starts", select a calendar and enter a filter string.
Select 30 min as "Time before event starts" and tap Create trigger.
Tap +that and select Webhooks as the service.
Select the "Make a web request" action.
Go to the Pushcut app and tap the Webhook cell to copy the URL.
In IFTTT, paste the URL into the action and select POST as the method.
Tap Create action, then Finish. You are all set!
You did it! You will now get a notification 30 minutes before each time a special event starts. Taping on the notification will open your notes document directly.
You can use the Test Notification feature to make sure your notification works without waiting for the event.