Hotswitch programming is not yet available on the app but will be available in a future release. For now you can program HotSwitches from the front panel:

To program a HotSwitch, go into PARAMETERS editing mode. Press and hold the Active LED button to program HotSwitch 1; or press and hold the right LED button to program HotSwitch 2. Remember, each HotSwitch is independent of the other, and both can access parameters across the entire preset. The screen will indicate which HotSwitch we’re editing. Once inside either HotSwitch menu, we can use the Big Knob to navigate the preset parameters. The bottom of the screen displays the available parameters on each page. To assign a new value to an unmapped parameter, press the Quick Knob below it. That parameter will immediately be assigned the current value, so now we can turn the Quick Knob to program a new value. To un-map, press the Quick Knob once to erase the value.

Here’s a tip: to audition changes to a HotSwitch, press the Big Knob to exit the HotSwitch edit menu. Doing so, will return all parameter values to their original position in the same way bypassing a HotSwitch would. Entering a HotSwitch edit mode is like activating a HotSwitch, so we’ll hear the effects of our assignments. We can repeat this process until we’ve achieved the desired effect settings.