MicroServiceInstance

**Table 1** Parameters
Parameter	Type	Mandatory	Description
instanceId	String	No	Instance ID, which must be unique. The instance ID is generated by the service center.
serviceId	String	No	Microservice ID, which must be unique. The microservice ID in the URL will be used.
version	String	No	Microservice version.
hostName	String	Yes	PC name, which can be a domain name or IP address.
endpoints	Array of strings	Yes	Example: rest:127.0.0.1:8080.
status	String	Yes	Instance status. Options: UP DOWN STARTING OUTOFSERVICE
properties	Map<String, String>	No	Extended attribute. You can customize a key and value.
healthCheck	HealthCheck	No	Health check mode. Value: push or pull. interval indicates the pull interval (unit: s), and times indicates the maximum request attempts. When in the pull mode, you need to define port to ensure that the registration center actively connects to the port. The default value of healthCheck is push, that of interval is 30, and that of times is 3.
timestamp	String	No	Time when an instance is created, which is automatically generated.
modTimestamp	String	No	Update time.
dataCenterInfo	DataCenterInfo	No	Time zone.