AX 2012 X++ Consume aif web service by passing list of objects

 1- Create data contract class as below

[DataContractAttribute]

class HP_TestContract

{

    str Id;

    str Name;

[DataMemberAttribute('Id'), SysOperationDisplayOrderAttribute('1')]

public str ParamId(str _Id = Id)

{

    Id = _Id;

    return Id;

}

[DataMemberAttribute('Name'), SysOperationDisplayOrderAttribute('2')]

public str ParamName(str _Name = Name)

{

    Name = _Name;

    return Name;

}

}

2-Add an AIF service method

[SysEntryPointAttribute(true),

DataMemberAttribute("HP_TestContract"),

AifCollectionTypeAttribute("_contactList",Types::Class, classStr(HP_TestContract)),

AifCollectionTypeAttribute("return",Types::Class, classStr(HP_TestContract))]

public List HeshamList(List _contactList)

{

//_contactList = contactList;

return _contactList;

}