Does this hack creating a pre-text in window WYSIWYG exists?

[Goodman_2020]

Hi,

Ive seen on a PIB forum a hack doing what ineed and i wonder if it exists for vbuleltin too (3.6.9)
This hack/mod make that when you click on "new thread" the window WYSIWYG already contains texts.

for instance >

Gender:
Favorite color:

etc. already in the window WYSIWYG and al lyou have to do is to "fill" it

thx