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

I replicate this cool "Switching tabs" animation by talented Jokūbas- https://dribbble.com/shots/1984025-Switching-Tabs For the creation of this animation, I simply used various state transitions.

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