src/PaymentSlip.php
public function setDisplayPayer($displayPayer = true)
    {
        $this->isBool($displayPayer, 'displayPayer');
        $this->displayPayer = $displayPayer;

        return $this;
    }
public function setDisplayPayer($displayPayer = true)
    {
        $this->isBool($displayPayer, 'displayPayer');
        $this->displayPayer = $displayPayer;

        return $this;
    }
public function setDisplayPayer ( $ displayPayer = true ) { $ this -> isBool ( $ displayPayer , 'displayPayer' ) ; $ this -> displayPayer = $ displayPayer ; return $ this ; }
Set whether or not to display the payer

@param bool $displayPayer True if yes, false if no
@return $this The current instance for a fluent interface.
Set whether or not to display the payer