Sorry, I think my question was confusing. What I want to do is allow the 
user to either select a user from a drop down list of users from the 
ForeignKey in the Users model, or if there is not a user suitable to select 
in the drop down, they can manually type in a name themselves.

Thanks for your reply



On Tuesday, February 27, 2018 at 7:45:51 PM UTC-7, Mike Dewhirst wrote:
>
> On 28/02/2018 1:26 AM, Alexander Joseph wrote: 
> > Is there a way to make a form field or model field either a foreign 
> > key reference or allow the user to fill in something themselves? I'm 
> > making a fixed assets app and each fixed asset has an owner field, 
> > which I would like to assign to an app user if possible, and if not 
> > possible be able to fill in a name myself. 
>
> Yes. Make the ForeignKey in the model null=True and blank=True so it can 
> exist all alone. Then you can limit_choices_to whatever whatever suits 
> your requirements ... 
>
>
> https://docs.djangoproject.com/en/1.11/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to
>  
>
> hth 
> Mike 
>
>
> > 
> > Thanks 
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