[Vtigercrm-developers] Insert file on product block in invoice VT7

[Alexander Allen]

Hello, I want to insert a file in each product of invoice module elements.

I already create the field in vtiger_inventoryproductrel table and create
it on vtiger_field.
Also I made change to file include\utils\InventoryUtils.php and this to
LineItemsContent.php

I Successfully insert and image on Service Module and also create a new
field in Inventory Module but not a file.

Does someone achieve this that could help me?

Thanks
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