IF THIS (Phone call missed from a specific number), THEN THAT (Quick add event to Google Calendar)
Trigger Channel: Android Phone Call Phone call missed from a specific number: This Trigger fires every time you miss a phone call on your Android device from a number you specify. Action Channel: Google Calendar Quick add event: This Action will add an event to your Google Calendar. Simply include a detailed description of when and what. If phone call missed from 12024561111, then quick add event to firstname.lastname@example.org.