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This walks one example from start to finish: a booking page for a yoga studio. Use your own idea if you have one. The steps are the same.

1. Describe what you want

On the projects page, type a prompt into the generation input and send it.
Say who it is for, what is on the screen and how it should feel. You can attach a screenshot or a sketch for reference.
The projects page with a prompt typed into the generation input
Polymet creates a project and opens it on the canvas.

2. Answer the agent’s questions

Before it builds, the agent may ask a few Quick questions, such as which pages you need. Pick an answer for each, or type your own. If you do not answer, the agent continues on its own after a short countdown.

3. Watch it build

The agent works in the chat on the left. Screens appear on the canvas as they are built. Each finished generation saves a version, so you can always go back.
The project after the first generation: the agent's summary in the chat on the left, the generated app on the right

4. Change one thing

Open a screen, click Select in the toolbar, and click the element you want to change. Write what should be different, for example “make this button full width”. Save the note. It appears under PENDING EDITS above the generation input. Add notes to as many elements as you like, then send them with the send button, the same way you send a prompt. For small visual tweaks, click Edit instead and change spacing, colors or text directly. More in Select and edit with AI and Edit visually.

5. Publish

Click Publish, pick the prototype to publish, and open its live link. Anyone with the link can use your app. When you make more changes, publish again to update the link. More in Publish a prototype.

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