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

An example of a date picker that can be imported and used in your project. (Basic use of variables) tags: calendar, picker, date picker

A project which simulates a collision between 2 objects. Freely drag the objects onto each other in order to have their core color change when colliding.

Using variables on a slider to control the Brightness and Hue of a light bulb

Game Title Screen Project. Using a minimal design with overlay transitions, mouse hover effects and states.

Music player with a slider controlling volume of Music playing.