Slink/sos_brm/views/sos_brm_action_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
  <record id="action_brm_action_list" model="ir.actions.act_window">
  <field name="name">Actions</field>
  <field name="type">ir.actions.act_window</field>
  <field name="res_model">sos_brm_action</field>
  <field name="view_mode">tree,form,kanban</field>
  </record>

<record id="sos_brm_action_search" model="ir.ui.view">
  <field name="name">sos_brm_action.view.search</field>
  <field name="model">sos_brm_action</field>
  <field name="arch" type="xml">
    <search string="Search Actions">
      <field name="name" string="Action Point"/>
          <filter name="cross_only"
              string="Cross Dept Activities"
              domain="[('cross_dept_action','=','cross_dept')]"
              context="{'show_cross_cols': True}"/>
      <searchpanel>
      <field name="cross_dept_action" string="Action Type" icon="fa-list-ul" enable_counters="1"/>
      <field name="department" string="Department" icon="fa-list-ul" enable_counters="1"/>

      </searchpanel>
      <field name="responsible_person" string="Assigned To"/>
      <field name="assigned_by" string="Assigned By"/>
       <field name="department" string="Department"/>
    </search>
  </field>
</record>

<record id="sos_brm_action_view_tree" model="ir.ui.view">
  <field name="name">sos_brm_action.view.tree</field>
  <field name="model">sos_brm_action</field>
  <field name="arch" type="xml">
    <tree>
    <!-- <header> <button class="oe_highlight" type="object" name="action_assign_action_btn" display="always" string="Add Cross Dept Activities"></button> </header> -->
      <field name="cross_dept_action"/>
    <field name="todo_id" invisible="not id"/>
      <field name="name"/>
      <field name="priority"/>
      <field name="assigned_by" widget="many2one_avatar_user"/>
      <field name="responsible_person" widget="many2one_avatar_user"/>
  <field name="status" widget="badge"
             decoration-success="status == 'close'"
             decoration-danger="status == 'open'"/>
      <!-- Extra columns: shown only when context flag is true -->
      <field name="assigned_from_dept"
             column_invisible="not context.get('show_cross_cols', False)"/>
      <field name="assigned_to_dept"
             column_invisible="not context.get('show_cross_cols', False)"/>

      <field name="write_uid"  string="Last Edited By"  optional="hide"/>
      <field name="write_date" string="Last Edited On" optional="hide"/>
    </tree>
  </field>
</record>


        <record id="view_form_sos_brm_action_cross_dept" model="ir.ui.view">
        <field name="name">Form</field>
        <field name="model">sos_brm_action</field>
        <field name="priority" eval="90"/>
        <field name="arch" type="xml">
        <form string="Model Form">
        <group>
        <group>
        <field name="todo_id" invisible="not id"/>
         <field name="cross_dept_action" invisible="1"/>
        <field name="name"/>
        <field name="start_date" invisible="1"/>
        <field name="allowed_user_ids" invisible="1"/>
          <field name="assigned_to_dept"/>
       
        <field name="result" string="Description"/>
        </group>
        <group>
        <field name="assigned_from_dept"/>
       <field name="responsible_person" widget="many2one_avatar_user"/>
        
        </group>
        </group>
        </form>
        </field>
        </record>
      <record id="sos_brm_action_form_view" model="ir.ui.view">
      <field name="name">Form</field>
      <field name="model">sos_brm_action</field>
      <field name="arch" type="xml">
      <form string="Model Form">
      <sheet>
      <widget name="web_ribbon" text="Open" bg_color="bg-danger" invisible="status == 'close'"/>
      <widget name="web_ribbon" text="Closed" bg_color="bg-success" invisible="status == 'open'"/>
      <h2 style="text-align: center;text-transform: uppercase;text-shadow: 1px 1p 1px #140718;color: #65407c;padding:5px;">To-Do Management</h2><hr></hr><br></br>  
      <table class="table" style="box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;">
<tr>
<td><group><field name="cross_dept_action" readonly="id"/></group></td>
</tr>

</table>
<br></br><br></br><br></br>
      <group>
      <group>
      <field name="todo_id" invisible="not id"/>
      <field name="name"/>
      <field name="priority"/>
      <field name="department"/>
      <field name="start_date" readonly="id"/>
      <field name="target_date"/>
      <field name="end_date"/>
      </group>
      <group>
      <field name="status"/>
      <field name="cross_dept_action" invisible="1"/>
      <field name="assigned_from_dept" invisible="cross_dept_action == 'inter_dept'"/>
      <field name="assigned_to_dept" invisible="cross_dept_action == 'inter_dept'"/>
      <field name="allowed_user_ids" invisible="1"/>
      <field name="responsible_person" widget="many2one_avatar_user"/>
     
      </group>
      </group>
      <group> <field name="result"/></group>
      <br></br><br></br>
      <field name="line_ids">
      <tree editable="bottom">
      <field name="start_date"/>
      <field name="name"/>
      <field name="target_date"/>
      <field name="result"/>
      <field name="status"/>
      </tree>
      </field>
      </sheet>
      </form>
      </field>
      </record>
    <record id="action_brm_monthly_summary_wizard" model="ir.actions.act_window">
    <field name="name">Reports</field>
    <field name="res_model">sos_brm_action_report_wizard</field>
    <field name="view_mode">form</field>
    <field name="target">new</field>
    </record>
    <record id="action_cross_dept_report_wizard" model="ir.actions.act_window">
    <field name="name">Reports</field>
    <field name="res_model">sos_cross_dept_report_wizard</field>
    <field name="view_mode">form</field>
    <field name="target">new</field>
    </record>
<menuitem id="sos_brm_action_menu" sequence="1" action="action_brm_action_list" name="Action Plan" parent="sos_brm_menu_root" />
<menuitem id="sos_brm_report_menu" action="action_brm_monthly_summary_wizard" name="To-Do Reports" parent="sos_brm_reports_root" />
<menuitem id="sos_cross_dept_report_menu" action="action_cross_dept_report_wizard" name="Cross-Dept Reports" parent="sos_brm_reports_root" />
<menuitem id="qo_menu"
              name="Quality Objectives (QO)"
              parent="sos_brm_menu_root" action="sos_qo_aod.action_qo_form_list"/>
</odoo>