6. Install service on the unit

Subject is an object that joins units and services. To install service you will create a subject and assign unit and service to it.

Creat a new subject.

1. On the subject page press the "+" button to create a subject:
   
2. Enter the subject label and pres the "Add" button
   
3. Select the created subject to assign unit and service to it
   

Assign the service to the subject

1. On the tab "Services" press the "Add service" button:
   
2. From the drop-down menu select the service created on the step and press the "Add" button:
   
3. The result is shown below:
   

Assign the unit to the subject

1. On the tab "Assigned unit" press the "Add unit":
   
2. Copy the System ID from the unit information page, paste it and press the "Add" button
   
3. After you will see the unit on Units tab

Service status on the unit

To check the service status, on the unit page select the tab "Subject & Services" and subtab "Services":

The service "Test service" is currently active on the unit.

Result

Service will send data to the webhook.site, and you will see messages on it.