Hi Rupesh,
Have a look at our web hooks.
https://www.e-conomic.com/developer/working-with-web-hooks
End-user guide to setting them up on the agreement:
http://wiki2.e-conomic.dk/indstillinger/udvidelser-webhooks (danish only, sorry. The buttons etc. are in the same place for our english translation so you can use the images for reference)