Syntax
#(proc,%edit.focus,...)
%edit specifies an edit control. You can define this to be a proc which gets called when the focus changes on the edit control. The proc will be called with a single argument: either set or kill.
Example
Def:Edit:example-panel.my-edit(200) [*][*] Def:Proc:example-panel.my-edit.focus(%state) [*] #(example-panel.my-edit.insert,%state) [*]