Hi,
I want to create a button in dashboard for adding new entries to line items.
see here,

here i want to add new entries such as i want to add '9' next to '8' as ways for i want to delete '7'.
For this i want button to this action dashboard.
So while creating action.

I am unable to find this(Capex Inputs) in action window.

So please suggest me a solution in creation of this new entry button.