How do you add values to a field in multiple selected records from a list/tree view?

Question

I'm pretty new to Odoo and Python in general and am trying to add a mod to our helpdesk.  We built a wizard to set up a form to add an IT tech to multiple tickets at once.  I know I should use context.get('active_ids') so I can go through all the selected tickets, but I'm having issues getting it to work.  Any advice would be appreciated
helpdesks_ids = fields.Many2many('helpdesk.ticket')
user_ids = fields.Many2many('res.users', string="IT Technicians", required=True)
@api.multi
def action_assig

Marius Stedjan · Accepted Answer

First off, "self" is the r ecord generated by the wizard. So when you want to access fields from the wizard use: self.my_field
Second, you should use a Many2one field for user_id, because you can only assign one user to the  field h elpdesk.ticket.user_id (it's a Many2 *one* field).
You don't have to add the field helpdesks_ids, because you are getting these records using browse on  active_ids.
When writing the same values to multiple records, use the write() method instead of a loop. It's faste

Niyas Raphy (Walnut Software Solutions) · Answer

Hi,
Update your code like this,
@api.multi
def action_assign_tech(self, vals):
tickets = self.env['helpdesk.ticket'].browse(self._context.get('active_ids'))
for tic in tickets:
#adjust the below line as per the need
#by tic you can access each tickets
tic.user_id = tic.user_id Thanks

Andrew Pearson · Answer

@Marius Stedjan
Very much appreciate your answer! Thanks a bunch!
Just so you know, when I tested it, I first got error *"Unable to set NOT NULL on 'user_id'"* to which I fixed by getting rid of *"required=True"*.
Then I got error *"Can't adapt type 'res.users'"*, to which I fixed by changing
tickets.write({'user_id': self.user_id})# previously  tickets.write({'user_id': self.user_id.id})# revised
Thanks so much for putting me on the right path!

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