This widget contains parameters for e-mail generation.
Wherever possible, variable substitution is performed (variables are defined in format ${VAR}).
A module, which generates e-mail, passes correspondent parameter to mail template, where it's being substituted in specified place.
name - is used to specify configured template in other modules of a subsystem.
locale - locale, in which e-mail will be generated.
subject - a subject of e-mail. Variable substitution is possible.
body - e-mail body. Variable substitution is possible.