Thank you for reply guys

it's ok now, but I think I have to import ASTM schema structure. from where I can download it?  I got the following error:

Regards

Done

here is my request header:

    Do httprequest.SetHeader("Content-Type","application/json")
    Do httprequest.SetHeader("charset","utf-8")

Thank you for reply Eduard

I already try this, but not help. 

Hi Muhammad

v 2015

Version 2015

Hi Eduard

thank you for your help . dformat from 18 to 21 not working, only working into 17.

Hi Dani

thank you for your response, I tried your code but not functional. working only with value from 1-17 like $ZDT($H,17).