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Now let’s create a graph view:

Created a model example.

from odoo import models, fields

class ExampleOdoo(models.Model):

    _name="example.odoo"

    example_field = fields.Char(string="Example Field")

    example_field1 = fields.Many2one('res.users', 'User', required=True)

And then add the action for the menu,

<record id="action_Example" model="ir.actions.act_window">

                <field name="name">Example</field>

                       <field name="type">ir.actions.act_window</field>

                       <field name="res_model">example.odoo</field>

                       <field name="view_mode">kanban,tree,form,graph,pivot</field>

                   </record>

                   <menuitem id="example_menu"

                           name="Example Odoo"

                           action="action_Example"/>

After creating the model, menu and the action we can set the graph view for the model.

<record model="ir.ui.view" id="example_graph_view">

                            <field name="name">example.graph</field>

                            <field name="model">example.odoo</field>

                            <field name="type">graph</field>

                            <field name="arch" type="xml">

                                    <graph string="Example" type="bar">

                                        <field name="example_field" group="True"/>

                                        <field name="example_field" operator="*"/>

                                    </graph>

                            </field>

                     </record>

The output of graph view model is,