def validate_clientvpnendpoint_selfserviceportal(value):
    """
    Validate SelfServicePortal for ClientVpnEndpoint.
    Property: ClientVpnEndpoint.SelfServicePortal
    """

    VALID_CLIENTVPNENDPOINT_SELFSERVICEPORTAL = ("disabled", "enabled")

    if value not in VALID_CLIENTVPNENDPOINT_SELFSERVICEPORTAL:
        raise ValueError(
            "ClientVpnEndpoint.SelfServicePortal must be one of: {}".format(
                ", ".join(VALID_CLIENTVPNENDPOINT_SELFSERVICEPORTAL)
            )
        )
    return value