CE CAF Business Object, Complex Structure and external service...

Hi,
I want to use a web service as remote persistence in a CAF business object(Entity service). My Problem is, that the service returns a list of objects. But it seems that in the new CE the paradigm for caf changed a little and instead of complex attributes (an attribute with a structure and cardinality 0...n) you can only create an association with another business object.
Anybody knows how to bring that together? I want to do something similar like described here:
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5e9ca25b-0e01-0010-bbaa-f3b963e89edd">https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5e9ca25b-0e01-0010-bbaa-f3b963e89edd</a>
But using the new CE the Problem is, that I couldn't manage creating a complex attribute in an Entity which can then be used as mapping for a web service.
When I create a simple attibute and replace the type with a complex one, i can do the mapping but there is an error: "The business node has an invalid main structure"
anybody a good idea?
kind regards and thanks alot
Alex

Hi Alexander,
You are now able to create the Structure and set the cardinality also in NetWeaver CE. I thin the following steps will be helpful for you.
1. Create a CAF project called firstcaf.
2.Create an entity service within the project called Customer.
3. Now expand modeled.
4. Then right click on Data Types. Here you will get the option "New Structure".
5.Now select New Structure, One popup will appear then enter the Structure name called Address and click ok.
6. Now You will get your Address structure under Complex Types.
7.Double Click on Address. In right hand side you will get the Address structure for editing.
8.Now from left hand side(Existing Type) expand caf.core and add your required attribute. In right hand side (structure Field) you can edit the name of attribute. suppose for Address structure I have added two field phone and mobile (both are short text ). save it.
9. Now switch to Composite Application Explorer and expand Business Objects ->Customer -> Customer->Customer. and double click on it (Customer).
10. In right hand side expand project firstcaf ->modeled. Now you will get your structure here, In my case I will get Address structure. Now select your structure and click Add button. Structure will go to right hand side(Structure Fields).
11. If you want to change the cardinality it is very simple. Select The Structure from right hand side(Structure Fields) and in bottom side click on property. Now you will get the Cardinality field. you can change it as you like.
Thanks and Regards
Chandan

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