Understanding custom connectors

Custom connectors can offer Power Apps developers a great number of options when it comes to connecting to data. Custom connectors can be used to create a connection to a data source that hasn't been served by either the standard or premium connectors. Alternatively, they can also be used to extend the functionality of a built-in connector by connecting to further REST endpoints.

If you are not yet familiar with REST, it is short for Representational State Transfer and provides a standard for brokering communications between systems and services on the web. The whole point of it is to make communication with a service much simpler.

As an example, we could extend the actions that are available to the SharePoint connector by connecting to REST endpoints that are not made available through standard connectors, for example, the ability to break permissions inheritance.

There are several ways we can create custom connectors, depending on the preference...