create a popup with title and message only after a button is clicked

Question

I created an action button

button name="show_popup" string="Show Message" type="object"

with this action function:

def show_popup ( self ):
return { 'warning':    { 'title' : 'Test Message', 'message' : 'Body of Popup'}

However, it's not working and it's only printing in the logs. But when i add the on_change() decorator it works. (i don't need the onchange decorator)

== EDIT ==
validating error and user error is no-go since i want the title to be different and there are next actions to be

Pragnadeep Pitroda · Answer

Hi,
You can display notification using  Client [1] action too.
Ref. Link:  https://www.youtube.com/watch?v=naD0ybcE_pc [2]

def show_popup(self):
​# Code
​return {
​'type': 'ir.actions.client',
​   	 ​'tag': 'display_notification',
​   	 ​'params': {
​'title': 'Test Title',
​     	 ​'message': 'Test Message',
​'type': 'danger',
​'sticky': True,
​'next': {'type': 'ir.actions.act_window_close'},
​},
​}

[1] /documentation/16.0/developer/reference/backend/actions.html#reference-actions-client
[2]

Savya Sachin · Answer

Hi,
/ return { 'warning':    { 'title' : 'Test Message', 'message' : 'Body of Popup'} /
This is mostly used with an onchange decorator.
Instead, Did you try UserError or ValidationError ?
eg:
raise UserError("enter your warning message here.") Thanks

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