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i.e.,

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

        <field name="name">calendar.event.form.inherit</field>

        <field name="model">calendar.event</field>

        <field name="inherit_id" ref="calendar.view_calendar_event_search"/>

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

            <xpath expr="//field[@name='description']" position="after">

                <field name="opportunity_id"/>

            </xpath>

        </field>

     </record>

Here, the form view calendar event search, which is inside the module calendar, is inherited. The parent view id that you want to inherit is specified using the inherit id function. For the inheritance, you can add module name.parent view id. After that, you can make adjustments using the XPath tag. Additionally, you can specify several XPath values.

Expressions can be added in a variety of ways:

Some examples are

expr="//field[@name='user_id']"

expr="//sheet/div[last()]"

expr="/kanban"

expr="."

expr="//filter[@name='activities_overdue']

expr="//header"

expr="//button[@name='action_open_product_lot']"

Also you can give different positions to the xpath. i.e.,

position=”after” : Display the field after the parent view mentioned in “expr”

position=”before” : Display the field before the parent view mentioned in “expr”

position=”inside” : Display the field inside the parent view mentioned in “expr”

position=”attributes” : Change the field attributes

position=”replace” : Replace the parent view field with newly created field