"prompting from" is a correct phrase, and it is usable in written English.
For example: She received a phone call prompting from her boss to come into the office immediately.
The audience sometimes participated without any prompting from the stage.
[After prompting from Hishamuddin] It doesn't come from us".
"It's a surveyor's symbol," she said after prompting from Bruce.
He wakens without any prompting from her, if he ever was asleep.
It took some prompting from the support boat to get me on my way.
The best part is that she said all that without any prompting from this fedora wearer.
With a little prompting from the ex-submariners, Prebble suddenly came to a realisation.
(I've heard it lots of times, always without any prompting from me).
It came out O.K. in the end — but only after a lot of prompting from our side".
10.22pm BST Unlike John Higgins, Selby doesn't need prompting from Hazel to become emotional about a family loss.
The second penalty was called a minute later, and it took a little prompting from Jets quarterback Vinny Testaverde.
