Hello Odooers
Hope you are doing well.
Below is a snipping image.
The o2m field has a reference field of 'maintenance.equipment', How can I display 'Equipment Category'. Thank you for advise.
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Hello Odooers
Hope you are doing well.
Below is a snipping image.
The o2m field has a reference field of 'maintenance.equipment', How can I display 'Equipment Category'. Thank you for advise.
Hi all,
I change the o2m field to m2m field. All related fields can be displayed. now
you can do that 
in py file 
class YourModel(models.Model):
_inherit = 'your.model'
equipment_category = fields.Many2one(
related='maintenance_equipment_id.category_id',
string='Equipment Category'
    )
Xml file
your.model.form
your.model
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