PayPal\Api\InvoiceItem::setUnitOfMeasure PHP Method

Valid Values: ["QUANTITY", "HOURS", "AMOUNT"]

public setUnitOfMeasure ( string $unit_of_measure )
$unit_of_measure	string

    public function setUnitOfMeasure($unit_of_measure)
    {
        $this->unit_of_measure = $unit_of_measure;
        return $this;
    }

InvoiceItem