Monodevelop doesn't recognize Vector3 and Transform (C#)

Questions & Answers
1

Hi guys,
I have this problem with Unity. I used Unity before, but with JS. Now, I want to create some scripts using C#, yet Monodevelop doesn’t recognize Unity data type like Vector3 and Transform

2

In unity editor goto
EDIT > Project settings > player
Under other settings change “Api compatibility level” to “.Net 4.x”