src/Builders/RefundBuilder.php
/**
     * Set the id of the transction.
     *
     * @param  string  $transaction
     * @return self
     */
Set the id of the transction.
@param  string  $transaction
@return self
Set the id of the transction . @param string $transaction @return self
public function transaction(string $transaction): self
    {
        $this->transaction = $transaction;
        return $this;
    }
public function transaction ( string $ transaction ) : self { $ this -> transaction = $ transaction ; return $ this ; }
Set the id of the transction.
Set the id of the transction .