Does write exif gpstimestamp attribute on jpeg file ?

I have .csv file which includes time stamp, lat, lon, altitude and image name columns. I matched image name column on .csv file with image's fme_basename via feature merger transformer. And also, i can write as exif in JPEG file lat,lon,altitude. But i can not write timestamp as a exif on my JPEG image file. Could you help me in this situation?