Use a variable to add the costs of premium features that are selected or deselected using an iOS switch component. See a video of how to do this step-by-step in this webinar: https://support.proto.io/hc/en-us/articles/115001585411-Model-advanced-prototypes-that-use-variables-part-II TAGS: variables variable math addition switch switches fire an items event

Zero inbox example using the 'Slide to Delete' pattern

A halloween project i have put together using the Proto.io Halloween icon set: https://proto.io/freebies/free-halloween-icons/

Drag and Drop an avatar over a target area that animates when in the drop zone. When released outside the target drop zone, it returns to the original location. Uses a variable to define the target drop zone, that then triggers animations in the zone and when dropped. See how it was made step by step in the webinar video: https://support.proto.io/hc/en-us/articles/115000637591-Advanced-Scrolling-Dragging TAGS: drag and drop dragging variables variable animations on drop animation