Hi All I am trying to add a field to tree but I am unable this is my code

<openerp> <data> <record model="ir.ui.view" id="legacy_projects_project"> <field name="name">project.project.form</field> <field name="model">project.project</field> <field name="inherit_id" ref="project.edit_project"/> <field name="arch" type="xml"> <xpath expr="//field[@name='partner_id']/form/field[@name='legacy_projects_id']" position="after"> <field name="age"/> </xpath> </field> </record> </data> </openerp>