def get_specified_programs(workflow_config, program_type):
    """
    Return all programs specified by a given top-level attribute of the workflow configuration.

    :param workflow_config: dict Workflow configuration
    :param program_type: str A supported program type
    :return: list All programs listed in the workflow config under program type
    """
    return [program for program in workflow_config.get(program_type, list())]