Shield - what is the workflow for adding new users from an admin section?

So you don't need to define variable $newData.

PHP Code:

$newData = [
// ...
 'full_name' => $this->request->getPost('full_name'),
 ]; 


You can proceed as follows:

PHP Code:

$users = model('UserModel');
$user = new User([
    'username' => 'foo-bar',
    'email'    => '[email protected]',
    'password' => 'secret plain text password',
    'full_name' => $this->request->getPost('full_name'),
]);
$users->save($user); 


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