<Functions><Function1>02</Function1> <Function2>01</Function2> <Function3>03</Function3> ...<Functionn>03</Functionn> </Functions>
Automatically increase the Child-node's searial number when XML serialization
use XmlSerializer
<Functions><Function1>02</Function1> <Function2>01</Function2> <Function3>03</Function3> ...<Functionn>03</Functionn> </Functions>