Replacing the existing file in sharepoint

We have configured O365 SharePoint tool in Nintex docgen through which scheduled reports will get exported to Docgen Reports sharepoint folder where all the report which will exported. But now with sharepoint the scheduled reports are not getting override it is creating duplicate report of the same report. We have spoken to sharepoint team to overcome this situation and they suggested us to add some commands in the Nintex docgen application so that reports can overridden instead of creating duplicates of the same report every time whenever it is delivered to sharepoint folder.So we need your help in executing this issue from nintex docgen. Kindly help us on this issue it is causing an issue in our daily routine.

https://learn.microsoft.com/en-us/graph/api/driveitem-put-content?view=graph-rest-1.0&tabs=http

Need your help and support to take it forward