pull data/value to make a {variable} from core function

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I am trying to capture a {variable} from the Prestashop 1.7 back office order details. In the PAYMENTS block, if a b2b customer makes a partial payment on their account, Prestashop displays .... "Warning $x.xx paid instead of $x.xx" I would like to be able to have a {variable} that I can use in an email template that uses the {amount_paid_TD} to date on the {order total}. See the pic below or screenshot to clarify the information I am referring to....

 

I would really like to do something like this...

Hi {firstname} {lastname},
Your recent Payment has been received and applied towards Invoice {invoice_f}. You have paid a total of {amount_paid_TD} towards your invoice total of {total_paid}. Your remaining balance of {remaining_bal} is due in {next_days} days on {due_date}.

Order ID {order_name} - Invoice {invoice_f}

Awaiting Final Payment by:
Check, PayPal or Bank Wire

 

{amount_paid_TD} = is amount received in Prestashop on Invoice... see image above      - This variable needs to be programmed

{total_paid} = is invoice total in PS    - This variable is already functional and programmed 

{remaining_bal} = is ({total_paid}-{amount_paid_TD})

 

The rest of the variables in the above example have already been programmed. But for the life of me I cannot figure out where the $x.xx paid from the above image is and how to create a variable using this data.

 

Any help would be great!

 

Thanks,

Scott