This blog walks you through step-by-step on how to build your own Facebook custom connector. You will need a minimum of Flow or PowerApps plan 1. The existing Facebook connector works only for those who created the connection prior to when Facebook made changes on their side. New connections do not work and this is the only workaround currently available.
Because of my background as System Engineer and now Azure administrator. I have created an example thats combining Microsoft Flow with Azure Log Analytics and Powerapps. Creating an alert dashboard in Power App, has never been easier.