The present disclosure provides a method for providing a prototyping tool, including at least: acquiring first input data and second input data by using a sensor, and acquiring combination data for specifying a combination between the input data; defining, as a trigger, a gesture in which the first input data and the second input data are combined according to the combination data; providing a first graphic element corresponding to the trigger, a second graphic element corresponding to an object, and a third graphic element corresponding to an action; and defining an interaction for allowing an action corresponding to the third graphic element to be performed with respect to the object corresponding to the second graphic element if the trigger corresponding to the first graphic element occurs, when the first graphic element, the second graphic element, and the third graphic element are selected and combined by a user.