@property
@pulumi.getter(name='portSpecification')
def port_specification(self) -> Optional[pulumi.Input['GRPCHealthCheckPortSpecification']]:
    '\n        Specifies how port is selected for health checking, can be one of following values: USE_FIXED_PORT: The port number in port is used for health checking. USE_NAMED_PORT: The portName is used for health checking. USE_SERVING_PORT: For NetworkEndpointGroup, the port specified for each network endpoint is used for health checking. For other backends, the port or named port specified in the Backend Service is used for health checking. If not specified, gRPC health check follows behavior specified in port and portName fields.\n        '
    return pulumi.get(self, 'port_specification')
Specifies how port is selected for health checking, can be one of following values: USE_FIXED_PORT: The port number in port is used for health checking. USE_NAMED_PORT: The portName is used for health checking. USE_SERVING_PORT: For NetworkEndpointGroup, the port specified for each network endpoint is used for health checking. For other backends, the port or named port specified in the Backend Service is used for health checking. If not specified, gRPC health check follows behavior specified in port and portName fields.
@property
@pulumi.getter(name='portSpecification')
def port_specification(self) -> Optional[pulumi.Input['GRPCHealthCheckPortSpecification']]:
    '\n        \n        '
    return pulumi.get(self, 'port_specification')