I want to send HTTP PUT Request on one URL to update that content of XML via using API.
URL is like this: https://domainname.com/someurls/id.xml
I want to up
Flex doesn't support PUT due to the underlying flash player. See this article about the limitations.
There is a workaround here. However, if both the server and the client are under your control, I'd suggest using only GET and POST. Flex just isn't meant for true RESTful clients. (For example make a post with a parameter put=true)