code: func (r Account) SetManagedPoolQuantity(poolKeyName *string, backendRouter *string, quantity *int) (resp []byte, err error) {
  	params := []interface{}{
  		poolKeyName,
  		backendRouter,
  		quantity,
  	}
  	err = r.Session.DoRequest("SoftLayer_Account", "setManagedPoolQuantity", params, &r.Options, &resp)
  	return
  }
docs: // Set the total number of servers that are to be maintained in the given pool. When a server is ordered a new server will be put in the pool to replace the server that was removed to fill an order to maintain the desired pool availability quantity.