def METHOD_NAME(authorization_name: Optional[str] = None,
                                         express_route_port_name: Optional[str] = None,
                                         resource_group_name: Optional[str] = None,
                                         opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetExpressRoutePortAuthorizationResult:
    """
    Gets the specified authorization from the specified express route port.
    :param str authorization_name: The name of the authorization.
    :param str express_route_port_name: The name of the express route port.
    :param str resource_group_name: The name of the resource group.
    """
    __args__ = dict()
    __args__['authorizationName'] = authorization_name
    __args__['expressRoutePortName'] = express_route_port_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:network/v20230201:getExpressRoutePortAuthorization', __args__, opts=opts, typ=GetExpressRoutePortAuthorizationResult).value
    return AwaitableGetExpressRoutePortAuthorizationResult(
        authorization_key=pulumi.get(__ret__, 'authorization_key'),
        authorization_use_status=pulumi.get(__ret__, 'authorization_use_status'),
        circuit_resource_uri=pulumi.get(__ret__, 'circuit_resource_uri'),
        etag=pulumi.get(__ret__, 'etag'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        type=pulumi.get(__ret__, 'type'))