The project that the associated GCP resource belongs to, in
the form of projects/{project_number}. If an IAM policy is
set on a resource (like VM instance, Cloud Storage bucket),
the project field will indicate the project that contains the
resource. If an IAM policy is set on a folder or orgnization,
the project field will be empty.
Explanation about the IAM policy search result. It contains
additional information to explain why the search result
matches the query.