File Provider Extension - How to integrate Files App integration in cloud based document management iOS Application?

I'm trying to implement a File Provider Extension in one of my cloud based documents related iOS app.

I am able to add File Provider Extension to my app and show my application in locations list in Files app, from this onward I have’t found any clue how to connect to my server to pull the file and populate.

Somebody, Can please share relevant tutorial or example work of File Provider?

File Provider Extension - How to integrate Files App integration in cloud based document management iOS Application?
 
 
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