#### Identity Membership

Checks if the invocator `uuid` specified in the environment is a member of at least one `AMIdentity` object specified in the Condition. The `uuid`invocator is specified as the key value of Condition.`INVOCATOR_PRINCIPAL_UUID` in the `environment` parameter of the evaluation request. This is primarily used to apply authorization rules for WSC (Web Service Client). The identity of the WSC is passed as the value of `uuid` invocator.