Rename 30 Simple Key Frame Animation.frag to 30 - Simple Key Frame Animation.frag

Menu item --- Edit->Insert Command->Presets->Insert Preset From Current Settings

This will give you the opportunity to choose a name or use the one provided:
For a NON-KeyFrame preset change the name to whatever you like.
Leave it as is to add this as a KeyFrame, must be named "KeyFrame.nnn" and it will auto increment as you add new ones.