How to add a new button inside the action menu Odoo 12? - odoo

Question

Im trying to add a button inside the action in the model named 'consultation', After clicking the button i need to open up the wizard i created follow,But im stuck in some errors
<?xml version="1.0" encoding="utf-8"?>
<odoo>
<record id="specialist_no_show" model="ir.ui.view">
<field name="name">specialist no show</field>
<field name="model">specialist.no.show</field>
<field name="arch" type="xml">
<form string="No Show">
<group>
<group>
<field name="partner_id" readonly="1"/>
</group>
</group>
<footer>
<button name="update_no_show" string="Confirm" type="object" class="btn-primary"/>
<button string="Cancel" class="btn-secondary" special="cancel"/>
</footer>
</form>
</field>
</record>
<act_window name="No Show"
id="specialist_no_show"
res_model="specialist_no_show" #model created for the wizard
binding_model="consultation" #model where i want to show the button in the action
binding_views="form"
view_mode="list"
target="new"
/>
</odoo>

Answer 1

I can spot some problems that you can try:
The XML ID for the form and the act_window must be different. In your example it is both specialist_no_show
The res_model must be specialist.no.show
The structure for the act_window is different depending on your Odoo Version (see below).
For Odoo Version 12.0
<act_window name="No Show"
id="action_specialist_no_show"
res_model="specialist.no.show"
src_model="consultation"
view_mode="form"
target="new"
/>
For Odoo Version 13.0
<act_window name="No Show"
id="action_specialist_no_show"
res_model="specialist.no.show"
binding_model="consultation"
view_mode="form"
target="new"
/>
Also, the error logs would be helpful as #Kenly suggested. Always post those.