This should be the object id of the service principal from the AAD provider. Example: d47d025a-ce2f-4a79-8618-e8862ade30dd Team Services will communicate with the source provider to fill all other fields on creation.
OptionalstorageOptional: If provided, we will use this identifier for the storage key of the created service principal
Use this type to create a new service principal using the OriginID as a reference to an existing service principal from an external AAD backed provider. This is the subset of GraphServicePrincipal fields required for creation of a GraphServicePrincipal for the AAD use case when looking up the service principal by its unique ID in the backing provider.