Two buttons along the same row as the space bar, the one with the two rectangles on the left is Copy, and the clipboard on the right is your paste button
So when I want to play a video in VRC I go to the video player, click on the URL entry, and the virtual keyboard pops up, and I simply press the paste button on the right.
The VRChat instructions are saying that for image loading, the URL executed on needs to come back with an image. https://mygenerativeapi.com/api/?data=USERWRITEWHATEVERHEWANTSTO so on the first request to that you generate and return an image, and then for other requests (from the other users in the room) you should just return the same image. You can sync the URL after you’ve gotten the image.
https://mygenerativeapi.com/api/?data= is what you should start with, so the user can just add their inputs like butts