A Light2

A_Light2 is a code pointer used in the gun flash animation for the Super Shotgun, Shotgun, BFG 9000, and Rocket Launcher.

Uses
The  code pointer appears in the following states in Doom's state table:

Example
The following is an example of how to set the  code pointer in a Dehacked file:

Pointer 21 (Frame 34) Codep Frame = 89

Or using BEX syntax:

[CODEPTR] Frame 1234 = Light2