How to use linked proposal ref in generated ODT of invoice?

Using my Dolibarr
1

Hi, I want to know how I can substitute in the proposal ref into the generated odt of the related invoice. I can do it with project ref with “object_project_ref” but I can’t do it with the proposal.

2

Anyone know how to do this pls?

3

Hi,

Not possible by default.
Need to develop a specific module to do that.