Problem while creating Complex Attirbutes of Entity Service in CAF Applicat

I am Creating one CAF Application.
while creating Entity Service i have Used one Complex Attribute. but in Application Services Implementation part when am assigning value to this Complex Attribute.it gives error that no method exist.
Kindly provide some information on how to use Complex Attributes while creating Entity Service.
Can i use NWDS2.0.11 for CAF Application?

Guys,
I have solved the problem successfully. Thanks for your attention.

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