I am using this:  'organizations/{}/appliance/trafficShaping/vpnExclusions/byNetwork?networkIds[]=L_12345xx' ... View more

That's unfortunate. We have around 20 templates that needed to be modified, so I was really hoping that I wouldn't have to do that manually.   Thank you very much for the response! ... View more

You still have to convert it, you are not allowed to send the single network ID as a string. ... View more