Required. The name of the project/folder/organization where
this feed should be created in. It can only be an organization
number (such as “organizations/123”), a folder number (such as
“folders/123”), a project ID (such as “projects/my-project-
id”)“, or a project number (such as”projects/12345").
Required. The feed details. The field name must be empty
and it will be generated in the format of:
projects/project_number/feeds/feed_id
folders/folder_number/feeds/feed_id
organizations/organization_number/feeds/feed_id