Microsoft Graph connectors SDK helps you build custom connectors for your line of business data sources quickly and efficiently in any of 11 available languages. You can leverage the capabilities of our robust Graph connector platform for indexing any of your cloud or on-prem data sources. The SDK also gives you the capability to manage your custom as well as Microsoft's out of the box connectors all in one place through the Microsoft Admin Center.
The extension consist of a sample C# connector project template which includes:
Project is built as a .net core based console application. Once configured correctly GCA will be able to make calls into this application through GRPC protocol. The primary responsibility of the connector code is to help GCA during connection creation and later during crawling to fetch information from the datasource.