1) Acquire URL of target (copy from box at the top left browser window)
2) In Message: text window click the (icon) button, it's left of the (icon) and (icon)
3) Paste into entry field
4) Profit!
In my case, one would not want to assume that I know anything. Not the slightest thing.Any missed step, the rest of the world would take for granted is all it would take to scuttle my best efforts.