hr_employee_job_family_from_contract/views/hr_contract_views.xml
<?xml version="1.0" encoding="utf-8" ?>
<!-- Copyright 2019 OpenSynergy Indonesia
License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
<data>
<record id="hr_contract_view_form" model="ir.ui.view">
<field name="name">hr.contract form</field>
<field name="model">hr.contract</field>
<field name="inherit_id" ref="hr_contract.hr_contract_view_form" />
<field name="arch" type="xml">
<data>
<xpath expr="//field[@name='job_id']" position="after">
<field
name="allowed_job_grade_ids"
widget="many2many_tags"
groups="base.group_system"
/>
<field
name="job_grade_id"
domain="[('id','in',allowed_job_grade_ids[0][2])]"
/>
</xpath>
</data>
</field>
</record>
</data>
</openerp>