This is an autocomplete extension for Atom that covers the scripting API of the bleeding-edge YGOPro client fork, EDOPro.
You can search for callbacks by their usage. When defining a function, type
$ as the first character, then write an
EFFECT_ constant (or similar) to find callbacks used by those effect types/codes.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.