How do I create Optional Method Parameters in a WCF service Instance

when I create a smartobject based on a wcf ServiceObject

the input paramters of the service object always appear as REQUIRED

for example graph.UpdateDocumentFields(String username , String Colour = 'Null)

will apear in the smartobject tooling

as

INPUT PROPERTY NAME TYPE REQUIRED Bound To

username TEXT YES parameter username

colour TEXT YES parameter colour

I would expect to see

INPUT PROPERTY NAME TYPE REQUIRED Bound To

username TEXT YES parameter username

colour TEXT No parameter colour

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Hello @AFWater,

Pleae have a look at the followking paths:

Passing Null Values to a WCF Service

Configuration setting to deal with Optional Parameters while creating SQL Service Instance:

All the best.

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