If you'd like to add additional custom information (coordinates, room number, etc.) for the recipient of an API request, you can easily add this in the setting-page for your device or building.
Devices
Navigate to your device, click the pencil-icon in the top right corner and click "Edit device".
Add your custom labels and click "Save changes" to register the labels.
The labels will now be presented in the /segments endpoint in the API.
Locations
Navigate to "Buildings" on the left hand menu and select the location you want to create labels for.
Add your custom labels and click "Save " to register the labels.
The labels will now be presented in the /locations endpoint in the API.