You can always answer your own question with the details.
Yes, Acient Hippy is right. Just post it as an answer to your question.
But of course you can continue typing the details right after the question mark. If you run out of room, then do it the way suggested above.
Type your question 0-250 less. Press Next, choose your Topic. Post. Give it 10 seconds to post. Press Edit and add more details. I do it all the time.