gMsgCompose in bootstrap file for Thunderbird [Solved]

Thunderbird Add-ons
#1

In my legacy addon this line works

Recipients2CompFields(gMsgCompose.compFields);

I found somewhere that this line means that I can use Recipients2CompFields.
var win = Services.wm.getMostRecentWindow(“msgcompose”);
win.Recipients2CompFields(gMsgCompose.compFields);
But I still have the problem that gMsgCompose is undefined despite it being global in MsgComposeCommands.js
how can I access it so that I can expand the list of recipients?
Blessings

#2

After a lot of looking and learning about Tb I found the solution to the above problem. Adding
var gCompose = win[“gMsgCompose”];

gave me access to the fields that I wanted.