Changing the slug produces the CategorySlugChanged Message.
Readonly
New value to set. Must not be empty. A Category can have the same slug for different Locales, but it must be unique across the Project. Valid slugs must match the pattern ^[A-Za-z0-9_-]{2,256}+$.
^[A-Za-z0-9_-]{2,256}+$
Changing the slug produces the CategorySlugChanged Message.