Odoo13 Onchange in edit?

Question

When I'm creating a new record the desciption changes it's ok but when I'm editing the record is adding a new description instead of change it
@api.onchange ( 'quotation' )
def  _onchange_budget ( self ):
if  self . quotation :
res = [( 0 ,  1 , { 'description' :  self . quotation . description ,
'quantity' :  0 ,
'value' :  self . quotation . value
})]
self . description = res

Ashish Singh · Accepted Answer

Hi, wildhen

It is because* [(0, values)] *always create a new record and seems like "*description*" is a *many2many *field here. So can follow below code in order to achieve this part.
*@api.onchange('quotation')
def _onchange_budget(self):*
if self.quotation:
if self.description:
data = {'description': self.quotation.description,
'quantity': 0,
'value': self.quotation.value
}
res = [(1, id, data) for id in self.description.ids]
else:
res = [(0, 1, {'description': self.quotation.description,
'q

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