file access parameter in file adapter at receiver side

Hi Experts,

1- i am using file adapter at receiver side. i want to create my file with time stamp for that i have given the file construction mode = add time stamp and put file directly .but it is showing time in file name????????

2. i want my file name as TimeSheet_Country_Date_time.csv so for this what value i have to give in file Name Scheme parameter.

Regards