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The feature helps you to copy YAML code of the selected node in Figma page. All your selected nodes, like TEXT, FRAME, RECTANGLE, etc.. must contain supported prefix. The list of prefixes you can find . How to select node?
Open your Figma file, create some object in your screen with a particular prefix, as it is shown on the picture below:
When a node with supported prefix is selected the YAML Viewer will visualise the code in text area supported in Power Apps.
How to copy and paste YAML code to Power Apps?
Select some node with supported prefix and click on COPY CODE button.
Go to Power Apps, open your application, and paste the code (right mouse click) as it is shown below:
Demo (version 2.0)