You can call wizard action on button. Below is the example-

<button name="%(wizard_action)d" string="button name"    type="action"/>

i give an action but Does not work

but whene i click the button Nothing happen :

<?xml version="1.0" encoding="UTF-8"?>

    <templates id="template" xml:space="preserve">

         <t t-extend="ListView.buttons">

             <t t-jquery="button.o_list_button_add" t-operation="after">

                     <t t-if="widget.model=='my.model'">

                            <button class="oe_button" type="object" name="call_wizard_view">Button Header Tree</button>

                    </t>

            </t>

        </t>

    </templates>