custom_menu_actions.py

from hiero.ui import menuBar, findMenuAction, registerAction
from PySide import QtGui

# Get the top-level MenuBar
m = menuBar()
myMenu = m.addMenu( 'SuperMenu' )
def doMyThing():
    print "Doing Ma Thing"

myAction = QtGui.QAction ( 'my entry', None )

# We can set a custom object name for the QAction...
myAction.setObjectName("custom.doMyThing")

# You could set the Keyboard shortcut here...
myAction.setShortcut("Alt+G")
myAction.triggered.connect( doMyThing )
myMenu.addAction( myAction )

# We could register it to the internal actions, so it can be retrieved anywhere...
registerAction(myAction)

# Then maybe retrieve the action from a different file, by finding the action like so...
foundAction = findMenuAction("custom.doMyThing")

# And set a new shortcut here...
foundAction.setShortcut("Alt+Shift+G")