hai

You probably should add some things you're interested in.
Typically some story prompts/concepts are best.
Writing what Fandom or worlds you wish to explore helps.

And if you'd like to build up ideas, genres suggestions such as fantasy adventure, sci-fi, historical fiction, etc.
Can be a starting point to build off of.

That way others know what type of roleplay you're looking for and what partners best suit you accordingly.