AWS - nillable fields in WSDL

I'm writing a soap server app. The client accessing my services
requires that some elements (that can be nil) be explicitly set to
"nillable = true" in the wsdl.

Does AWS support nillable elements? I haven't been able to find
ANYTHING online on this subject (except for this:
http://dev.rubyonrails.org/ticket/5748

Help. :slight_smile: Thanks all.

Emil