Sum Original/Remaining Estimate for Multiple JIRA via Automation

[Peyush Agarwal]

Hi,

I have a Scrum Team. What I am trying to do is create a automation script which gets triggered when Sprint is closed. 

This team may have worked on 30 different Tasks, Stories, Sub task. Lets say total Original Estimate on these 30 is 100 hrs., Actual Effort 80 hrs. and Remaining effort 30 hrs. 

How can I build a script which can add eg Original Estimate of 100 hrs. in some variable and then display in an email