Optional. The expression to filter resources. Supported fields are: full_resource_name, resource_type, container, product.type, product.engine, product.version, location, labels, issues, fields of availability_info, data_protection_info,'resource_name', etc. The expression is a list of zero or more restrictions combined via logical operators AND and OR. When AND and OR are both used in the expression, parentheses must be appropriately used to group the combinations. Example: location="us-east1" Example: container="projects/123" OR container="projects/456" Example: (container="projects/123" OR container="projects/456") AND location="us-east1"

Required. Parent can be a project, a folder, or an organization. The search is limited to the resources within the scope. The allowed values are: * projects/{PROJECT_ID} (e.g., "projects/foo-bar") * projects/{PROJECT_NUMBER} (e.g., "projects/12345678") * folders/{FOLDER_NUMBER} (e.g., "folders/1234567") * organizations/{ORGANIZATION_NUMBER} (e.g., "organizations/123456")