By default, the Servo Hub's ID should be set to 3. This can be changed by connecting the Servo Hub directly to the REV Hardware Client using a USB-C cable. The Servo Hub will appear in the Hardware List as shown below:

The "CAN ID" is the individual ID for the Servo Hub.

The CAN ID can be set between 1-10 for FTC. After choosing the ID, click "Set CAN ID".

The new Servo Hub ID is not set!
Select the menu in the stop right corner of the Driver Station app. Then select Configure Robot.

In the Available configurations page, select New.

In the USB Devices in configuration page select the Control Hub Portal. Note: If you have an Expansion Hub connected via USB it will appear as an Expansion Hub Portal.

All connected Servo or Expansion Hubs using RS485 will appear within the menu of the portal. If you are using multiple Servo Hubs, they can be identified by their ID number.
Menu while using a single Servo Hub:

Menu while using multiple Servo Hubs:

Select the Servo Hub where you are adding servos

Select the "Servos" option

This will open a configuration menu similar to what is used for motors and sensors!

Select your desired option from the dropdown menu

Assign the device an appropriate name

Click "Done" once all names are entered to return to the main Servo Hub menu

Click "Done" again on to return to the list of all connected Hubs