Add LabelAlias to a Fastway Label.
(String) fastwayLabelNo (Required) - Fastway label number for which the scan will be generated eg 'FA000000000'
(String) labelAlias (Required) - Label alias to the Fastway label number
(int) carrierId (Required) - Carrier Id
Message - Labels are successfully added to the system
#/addLabelAlias?fastwayLabelNo=3a0000253492&labelAlias=FWY100082080&carrierId=1?api_key=YOUR_API_KEY