Devise\Users\Groups\GroupManager::createGroup PHP Method

    public function createGroup($input)
    {
        $validator = $this->Validator->make($input, $this->createRules(), array("Could not create new group"));
        if ($validator->passes()) {
            $group = $this->Group;
            $group->name = $input['name'];
            $group->save();
            return $group;
        }
        $this->errors = $validator->errors()->all();
        $this->message = "There were validation errors.";
        return false;
    }