MyType.idl

// MyType.idl
 
module Example {
    struct Point {
        int32 X;
        int32 Y;
    };
 
    struct MyType {
        @key int32 MyKey;
        string<512> MyString;
        Point MyPoint;
        sequence<int32, 128> MyIntSequence;
        sequence<Point, 8> MyPointSequence;
        Point MyPointArray[5];
        @optional int32 MyOptionalInt;
        @optional Point MyOptionalPoint;
    };
};