Using the Permissions Manager on the OnePlus smartphone, we can see exactly which app has permission to access a particular function.

If a function of the OnePlus device is selected, it is immediately obvious which apps have access and these can be rejected or allowed again in any case.

Android 10 | OxygenOS 10.0
Step 1:  Open the  Settings
Step 2:  Tap on  Apps & notifications
Step 3:  Tap on  App permissions
Step 4:  Choose an  option
Step 5:  Choose an  app
Step 6:  Choose  Allow  or  Deny
  1. Open the Settings
  2. Tap on Apps & notifications
  3. Tap on App permissions
  4. Choose an option
  5. Choose an app
  6. Choose Allow or Deny

OnePlus Instructions