Equation into a custom field & sum into another custom field

4

The latest version (18.7.64) allows to set custom field to number type. This allows to do these calculations using custom themes.

Let’s say you have two custom fields:

  • Field 1
  • Field 2

and you want to show on invoice Field 3 which is total of Field 1 and Field 2

All you have to do is inject following lines to your custom theme:

<div style="font-weight: bold; padding-top: 20px">Field 1 + Field 2</div>
<div>{{ custom_fields["Field 1"] | plus: custom_fields["Field 2"] }}</div>

The most important is {{ custom_fields["Field 1"] | plus: custom_fields["Field 2"] }} which shows how to do addition of two custom fields.

And the result:

1 Like