You must create a d.3 user for edoc contract so that the app works smoothly in the d.velop system environment.
The d.3 service user requires the rights to read and write for the relevant categories.
For more information about granting permissions for the service user see the corresponding d.velop documentation.
To authenticate the service user, create an API key in d.velop documents in the d.ecs identity provider app. Enter this API key in edoc automate in the corresponding data source.