I made a kanban view
<record id="project_budget_kanban" model="ir.ui.view">
<field name="name">Tarjetas de Proyectos</field>
<field name="model">project.budget</field>
<field name="arch" type="xml">
<kanban>
<!-- Campos que se van a usar en la vista -->
<field name="name" />
<field name="description" />
<templates>
<t t-name="kanban-box">
<div class="o_kanban_details oe_kanban_global_click_edit">
<strong class="o_kanban_record_title">
<div class="card-title">
<field name="display_name" />
</div>
<div class="card-text">
<field name="description" />
</div>
</strong>
</div>
</t>
</templates>
</kanban>
</field>
</record>
The I added to my menu
<act_window id="action_project_budget"
name="Lista de Proyectos"
res_model="project.budget"
view_mode="tree,kanban,form"
/>
When I add the url for tree or kanban it works.
The view switcher is not