In party list how to create filter on catégory

I would like to expand the filter on party list to be able to view only from a category. I understand i have to create a module for it, in this module create a classe party (the same name) and add something.

i understood that categories are a many2many thus are managed by a rel_table. I know how to do it in sql but i do ot yet understand to manage it on tryton.

Is there somewhere (on this side of the rainbow) a similar think i can study to understand how to do it ?

thanks in advance.

Otherwise in the “Categories” menu, double click on a category and you will have all the parties linked to this category :slight_smile:

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Also adding the “Categories” field to the list view will make it available for filtering.

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