How can I add Assigned date under Created date?

[Suman Kumar]

Hii all 

The screenshot below is an issue view where on right side its showing the created date and updated date of that particular issue.But I want to add 'Assigned date' to all the issue that has assigned to me.

[Kevin Johnson]

what data you wish to set in the assigned date?

[Suman Kumar]

I want the date  when the issue was assigned to me. 

[Kevin Johnson]

i dont think that can be done in the side bar 

whereas you can create a custom field called assigned time or date and data for that can be captured and set using some plugins like scriptrunner