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I am using button to change my custom model states, I want to required a field on specific state, below is my field defined in xml.



When state is in progress the field is got require but when I click on next stage it goes to next why it doesn't popup's the danger notification, that field is required.

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Best Answer

Hello Maqsood Ahmad,

Since 17.0, the "attrs" and "states" attributes are no longer used Therefore,

To make a field required in a specific view, you can use the following syntax:
// Syntax is added in comments

I Hope this information proves helpful to you.

Thanks & Regards,

Email:   odoo@aktivsoftware.com           

Skype: kalpeshmaheshwari 

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Syntax:
<field name="your_field_name" required="state in ['your_state']"/>

Best Answer

Hi,

Add required attribute on your field.

Example:

<field name="your_field_name" required="state in ['progress']"/>

But this will effect only on UI level.

For validation, you must enforce server-side validation in Python.

Use either a method override (e.g., button logic) or @api.constrains.

  @api.constrains('state', 'your_field')
    def _check_required_field_on_in_progress(self):
        for rec in self:
            if rec.state == 'progress' and not rec.your_field:
                raise ValidationError(_("The field 'Your Field' is required in 'In Progress' state."))
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