Adding a new Column in Invocie, such that the new column values should get added to total and subtotal

Question

I am in the process of adding a new column labeled "Mark Up" to the invoice line. The markup value is intended to be calculated using the quantity and price, subsequently updating the subtotal. However, I am encountering an issue where the markup value is not being reflected in the total. I would appreciate your assistance in resolving this matter.

Darshan Kanejiya · Accepted Answer

Hi! 👋,
To add a new *"Mark Up"* column in invoice lines and include its value in *subtotal and total*, you'll need to:

*Add a custom field* (e.g., markup_amount) to account.move.line.

*Override _compute_amount* in the same model to include this field in subtotal calculation.

*Update views* to show the new column on the invoice form and tree.

*Adjust reports* if needed to reflect the updated totals.
This requires a custom module with Python and XML changes.

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