Goalie zone confusion

[CalTran]

Per the glossary, your goalie zone is defined as the one marked by tape between your opponent's front edge of their low goal and your alliance's alliance wall.

Originally Posted by Glossary

GOALIE ZONE: the area in front of an ALLIANCE’S ALLIANCE WALL, bounded by the opponent’s LOW
GOALS and black tape.

If I understand your intention correctly, are you trying to score in the low goal? If yes, there have not been any rules that prohibit extending a mechanism into the goals, provided you are within all the other rules. The one to look out for would be R3, in which all extensions have to be within 20" of frame