How does changelevel trigger delay script work

[quadrazid]

@quadrazid

Power Up in 0.55 seconds

Pretty cool, look how the chapter title just flashes ;D

//power up triggerdelay
alias powerup "developer 1;fps_max 250;+forward;zigzag;zigzag;zigzag;fps_max 100;speak /fvox/beep;-forward;w100;w10;+back;+moveleft;w2;-back;w44;-moveleft;+moveright;w26;obbo2000;-moveright"
alias z "+moveright;w5;-moveright;+moveleft;w5;-moveleft"
alias zigzag "z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z;z"
alias obbo2000 "developer 1;fps_max 9999;chase_active 1;chase_back -10000;w;+use;w;w;w;w;w;w;w;w;w;w;w;w;w;w;-use;+jump;w;-jump;fps_max 250;chase_active 0"

bind mouse3 powerup

As S. said, it is part of the delay script. Here is the script I used in the SS run.