The %command.name% command generates a new form class. php %command.full_name% UserType If the argument is missing, the command will ask for the form class interactively. You can optionally specify the bound class in a second argument. This can be the name of an entity like User php %command.full_name% UserType User You can also specify a fully qualified name to another class like \App\Dto\UserData. Slashes must be escaped in the argument. php %command.full_name% UserType \\App\\Dto\\UserData