Copy G Suite drive files and folders to another domain.

Question

I'm trying to query list of all files and folders from drive of G Suite user and copy all this files to another domain user.

 

Anyhow i am able to get list of all files but i am not able copy those files to another domain. I have gone through several reference on sharing drive files but couldn't understand of granting authority so that destination domain user have previlege to copy files.

 

I will be happy if you can help me to solve this problem.