carrier.xml

<?xml version="1.0"?>
<tryton>
  <data>

      <record model="ir.ui.view" id="party_configuration_view_form">
          <field name="model">party.configuration</field>
          <field name="inherit" ref="party.party_configuration_view_form"/>
          <field name="name">party_configuration_form</field>
      </record>

      <record model="ir.ui.view" id="carrier_view_form">
          <field name="model">carrier</field>
          <field name="inherit" ref="carrier.carrier_view_form" />
          <field name="name">carrier_form</field>
      </record>

        <!--Adding active to tree-->
        <record model="ir.ui.view" id="carrier_view_tree">
            <field name="model">carrier</field>
            <field name="inherit" ref="carrier.carrier_view_tree"/>
            <field name="name">carrier_tree</field>
        </record>
        <!-- Adding Active and Disabled tabs in Carrier -->

        <record model="ir.action.act_window" id="carrier.act_carrier_form">
            <field name="name">Carrier</field>
            <field name="context" eval='{"active_test": False}' pyson="1"/>
        </record>
        <record model="ir.action.act_window.domain" id="act_carrier_form_active">
            <field name="name">Active</field>
            <field name="sequence" eval="10"/>
            <field name="domain" eval='[("active", "=", True)]' pyson="1"/>
            <field name="act_window" ref="carrier.act_carrier_form"/>
        </record>
        <record model="ir.action.act_window.domain" id="act_carrier_form_inactive">
            <field name="name">Disabled</field>
            <field name="sequence" eval="20"/>
            <field name="domain" eval='[("active", "=", False)]' pyson="1"/>
            <field name="act_window" ref="carrier.act_carrier_form"/>
        </record>
  </data>
</tryton>