def redfish_alias_missing(metadata):
    """
    Utility function to check if RedfishExtensions.v1_0_0 is present but missing the Redfish alias
    :param metadata: the metadata document
    :type metadata: schema.Edmx
    :return: True if Redfish alias is missing from include for RedfishExtensions.v1_0_0, False otherwise
    """
    for reference in metadata.References:
        for include in reference.Includes:
            if include.Namespace == 'RedfishExtensions.v1_0_0':
                if include.Alias != 'Redfish':
                    return True
    return False