The prototyping method originally comes from software development. The idea is to get first results very quickly and to receive feedback from the customer on whether your ideas are working. In this way, the software developer avoids having to do major changes once the full solution is developed.
Prototyping in personal development means thinking of the small experiments that you can engage in order to make the first steps towards your goal and to modify your goal early on in case that you have the feeling you are moving into the wrong direction.
Depending on your topic, e.g., developing into a new position, consider one of the following prototypes: