Encore\Admin\Form\Field::__construct PHP Method

    public function __construct($column, $arguments = [])
    {
        $this->column = $column;
        $this->label = $this->formatLabel($arguments);
        $this->id = $this->formatId($column);
    }

 public function __construct($relation, $arguments = [])
 {
     $this->relationName = $relation;
     $this->builder = $arguments[1];
     parent::__construct($relation, $arguments);
 }