Problem with xml file generation

hi,

I want to generate a xml file as shown in the attached file can any tell which one is preferable for generating the xml file that is atached.

        Till now i was struggling to create the given xml file with following steps.But got some problems given below

1)If i used "SimpleXml -> Document" then it cannot generate Xml file with Xmlns(Xml NameSpace).

2)if I used "XmlInternal -> xmlFile" or "xmlSchema->schema"  it is showing "cann't generate txet for example.xml file".

regards,

Surya kiran