Security Rule that restricts custom property for application owner

[analienx]

Dear all,

Is it possible to have rule that restricts application of custom property only to owner of the app in workstream?

This is not good enough:

((resource.resourcetype="App" and resource.isOwned() and resource.owner=user )

and resource.stream.Empty())

Thank you

[pauloedu]

Did you find the solution? I have a similar problem.