CybroAddons/gym_mgmt_system/views/workout_plan.xml

<?xml version="1.0"?>
<odoo>
    <record id="view_workout_plan_tree" model="ir.ui.view">
        <field name="name">workout.plan.tree</field>
        <field name="model">workout.plan</field>
        <field name="arch" type="xml">
            <tree>
                <field name="name"/>
                <field name="workout_days_ids"/>
            </tree>
        </field>
    </record>

    <record id="view_workout_plan_form" model="ir.ui.view">
        <field name="name">workout.plan.form</field>
        <field name="model">workout.plan</field>
        <field name="arch" type="xml">
            <form>
                <sheet>
                    <div class="oe_title">
                        <h1>
                            <field name="name" placeholder="e.g. workout plan 1"/>
                        </h1>
                    </div>
                    <group>
                        <group>
                            <field name="workout_days_ids" widget="many2many_tags"/>
                        </group>
                    </group>
                    <button name="action_workout_plan" type="object" class="btn btn-primary"
                            groups="gym_mgmt_system.group_gym_trainer,gym_mgmt_system.group_gym_operator"
                            string="Assign Workout Plan"/>
                    <notebook>
                        <page string="Exercise List" name="exercise_list">
                            <field name="workout_plan_option_ids">
                                <tree editable="bottom">
                                    <field name="exercise_id"/>
                                    <field name="name"/>
                                    <field name="equipment_ids"/>
                                    <field name="sets"/>
                                    <field name="repeat"/>
                                </tree>
                            </field>
                        </page>
                    </notebook>
                </sheet>
                <div class="oe_chatter">
                    <field name="message_follower_ids"/>
                    <field name="activity_ids"/>
                    <field name="message_ids"/>
                </div>
            </form>
        </field>
    </record>

    <record id="view_my_workout_plan_form" model="ir.ui.view">
        <field name="name">my.workout.plan.form</field>
        <field name="model">my.workout.plan</field>
        <field name="arch" type="xml">
            <form>
                <sheet>
                    <div class="oe_title">
                        <h1>
                            <field name="payment_term_id" placeholder="e.g. workout plan 1"/>
                        </h1>
                    </div>
                    <group col="4" colspan="6">
                        <field name="from_date"/>
                        <field name="to_date"/>
                    </group>
                </sheet>
                <div class="oe_chatter">
                    <field name="message_follower_ids"/>
                    <field name="activity_ids"/>
                    <field name="message_ids"/>
                </div>
            </form>
        </field>
    </record>


    <record id="action_workout_plan" model="ir.actions.act_window">
        <field name="name">Workout Plan</field>
        <field name="type">ir.actions.act_window</field>
        <field name="res_model">workout.plan</field>
        <field name="view_mode">tree,form</field>
        <field name="help" type="html">
            <p class="o_view_nocontent_smiling_face">
                Create your first Workout Plan!
            </p>
        </field>
    </record>

    <record id="action_my_workout_plans" model="ir.actions.act_window">
        <field name="name">My Workout Plan</field>
        <field name="type">ir.actions.act_window</field>
        <field name="res_model">my.workout.plan</field>
        <field name="view_mode">kanban,form</field>
        <field name="domain">[('assign_to.user_id', '=', uid)]</field>
        <field name="help" type="html">
            <p class="o_view_nocontent_smiling_face">
                My Workout Plan!
            </p>
        </field>
    </record>


    <menuitem id="gym_workout_root"
              name="Workout"
              parent="gym_management_root"
              sequence="25"/>

    <menuitem id="gym_workout_menu"
              name="Workout Plan"
              parent="gym_workout_root"
              action="action_workout_plan"
              sequence="10"/>

    <menuitem id="gym_my_workout_menu"
              name="My Workout Plan"
              parent="gym_workout_root"
              action="action_my_workout_plans"
              sequence="20"/>

    <record id="action_workout_days" model="ir.actions.act_window">
        <field name="name">Workout Days (Tags)</field>
        <field name="type">ir.actions.act_window</field>
        <field name="res_model">workout.days</field>
        <field name="view_mode">tree</field>
        <field name="help" type="html">
            <p class="o_view_nocontent_smiling_face">
                Create your first Workout Days!
            </p>
        </field>
    </record>

    <record id="view_workout_days_tree" model="ir.ui.view">
        <field name="name">workout.days.tree</field>
        <field name="model">workout.days</field>
        <field name="arch" type="xml">
            <tree string="Workout Days Tags" editable="bottom">
                <field name="name"/>
            </tree>
        </field>
    </record>

    <menuitem id="gym_workout_days_menu"
              name="Workout Days"
              parent="gym_workout_root"
              action="action_workout_days"
              sequence="30"/>

</odoo>