code: func (r Network_Subnet) CreateSubnetRouteUpdateTransaction(newEndPointIpAddress *string) (resp bool, err error) {
  	params := []interface{}{
  		newEndPointIpAddress,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Subnet", "createSubnetRouteUpdateTransaction", params, &r.Options, &resp)
  	return
  }
docs: // This function is used to create a new transaction to modify a subnet route. Routes are updated in one to two minutes depending on the number of transactions that are pending for a router.
  //
  // Usage of this function is restricted and may only be called from authorized accounts. It is not available for general API users without justification and consent from a SoftLayer representative.