'Returns a string describing the object being updated.'

def Describe(self):

    result = ('app:    %s' % self.app_id)
    if ((self.module is not None) and (self.module != appinfo.DEFAULT_MODULE)):
        result += (',    module:    %s' % self.module)
    if self.backend:
        result += (',    backend:    %s' % self.backend)
    elif self.version:
        result += (',    version:    %s' % self.version)
    return result
