call the date specified in tsetglobalmap component

[sunny3]

hi,

 i have a job  where i have set the  date in tsetglobalmap component to the current date.

"date"=TalendDate.formatDate("yyyy-MM-dd hh.mm.ss",TalendDate.getCurrentDate())

i  want to create a file in the subjob with the filename " file1+date from tsetglobal "

tfileoutputdelimited: "C:/Users/Desktop/folder/"+((String)globalMap.get("date"))+"_file.json"

it is creating a file  with name "null_file.json".

do i need to  prefix with   todate .((String)globalMap.get("date"))??

  can anybody help me with above scenario?