def METHOD_NAME(client_group_name: Optional[pulumi.Input[str]] = None,
                            namespace_name: Optional[pulumi.Input[str]] = None,
                            resource_group_name: Optional[pulumi.Input[str]] = None,
                            opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetClientGroupResult]:
    """
    Get properties of a client group.
    Azure REST API version: 2023-06-01-preview.
    :param str client_group_name: Name of the client group.
    :param str namespace_name: Name of the namespace.
    :param str resource_group_name: The name of the resource group within the user's subscription.
    """
    ...