How to implement search box in odoo12 One2many tree view?

Question

I my odoo app a have two models "contract" and "contract_line". Each contract has a One2many field (contract_line_ids) meaning that each contract has a list o many contract lines.
In the contract I have represented that one2many contract_line_ids as a tree view inside the form. The problem is that a contract has too many contract line and is dificult to locate a specific contract line. So I need to implement a search box, or any other way to filter those contract lines inside "contract" that mat

Niyas Raphy (Walnut Software Solutions) · Answer

Hi,
There is a module in odoo apps store for version 13, see whether it works in odoo 12 or refer the code:  Quick Search in one2many [1]
Thanks

[1] https://apps.odoo.com/apps/modules/13.0/rp_search_one2many_v13/

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