Django - How to prepopulate admin form fields

Question

I know that you can prepopulate admin form fields based on other fields. For example, I have a slug field that is automatically populated based on the title field.

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Answer 1

I know that you can prepopulate some values via GET, it will be something like this

http://localhost:8000/admin/app/model/add/?model_field=hello

I got some problems with date fields but, maybe this could help you.