Find the code to the door

 is an optional storyline side-mission featured in S.T.A.L.K.E.R.: Lost Alpha.

"Find the code to the door"

- Detailed task information

Overview

 * This trivial mission spawns if the player approaches a code-door in Secret lab.
 * The code is obtained from an easily located PDA close to one of the corpses visible on the player's mini-map.