To embed any board from Miro these simple steps:
1. Make sure you got your board open and then click the Share icon on top next to the name of your board and select </> Embed.
2. Allow Public Access to the board in order to be able to copy the embed code and copy the snippet to clipboard.
3. Paste the copied code to one of the Embed Code boxes in your map or persona at UXPressia and it will render in a few seconds like that:
4. Click the central button, wait a few seconds, and you will see your board!
Read more on embedding your boards on the official Miro help center: