APIC18-Failed to parse gateway script (APIC)

Failed to parse gateway script (APIC)

The gateway script could not be parsed either because it is not syntactically correct or the gateway object calls are not correct.

execute:
      - gatewayscript:
           title: gatewayscript
           version: 1.0.0
           source: >-
                // example
                var reqauth =
                     apimx.getvariable(‘request.authorization’).split(‘ ‘);