Install ConnectIQ

Install Garmin Connect IQ on your smartphone, from your Application Store :
> For Android : Garmin Connect IQ
> For IOS : Garmin Connect IQ

Install APICall from ConnectIQ

Open GarminIQ, search the APICall widget, then install it.

Configure from ConnectIQ

On the widget page, clic on Parameters, then configure the widget according to the documentation.

 

Launch the widget

Launch the widget on your device. The settings will load, it could take several seconds the first time, then click on "START" button or tap on screen for touch devices.

 

Select a device

Navigate with UP/DOWN button or swipe up/down for touch devices, and select the device.

Select an action

Navigate with UP/DOWN button or swipe up/down for touch devices, and select the action.

Launch the action

The action is ready to launch. Press "START" button or tap. Send wait for the result to be display. You can configure what you want to display as result, check the documentation.

  

Select a new action

To select a new action, press "MENU". MENU could be a long press on a physical button, a tap on a logical button, or a long press on the screen, it depends of your device.