[PD] help with widgets

[robcanning]

hello,

i have just started using toxy widgets and need one basic bit of help:

i create a widget:
widget popup menuename$1

when this is created it is created with the abstractions $1argument i.e. 
the widget is now called menuename123 instead of menuename$1

i want to create an abstraction with a variable widget name
how can i send a message to change the name of the widget?

thanks

rob c