Read URL parameter of my webDynpro application ?

Hi,

How to read the URL parameter of my webDynpro application from within the webDynpro Application code ??

Example : My application URL is : "http://ldai99wdd:50000/webdynpro/dispatcher/local/target/TargetApp?SAPtestId=38

&sap-wd-resumeurl=http%3A%2F%2Fldai99wdd%3A50000%2Fwebdynpro%2Fdispatcher%2Flocal%2Fplugs%2FTest%3Fsap-wd-cltwndid%3D1c175200265c11ddc21900300571b288%26sap-wd-appwndid%3D1c175201265c11ddaa3a00300571b288%26sap-wd-resume%3Dtrue"

I want to read the Parameter sap-wd-resumeurl.

Regards,

Mahesh