'Set the Instance Template for this Instance Group.
:param  instancetemplate: Instance Template to set.
:type   instancetemplate: :class:`GCEInstanceTemplate`
:return:  True if successful
:rtype:   ``bool``'

def set_instancetemplate(self, instancetemplate):

    return self.driver.ex_instancegroupmanager_set_instancetemplate(manager=self, instancetemplate=instancetemplate)
