src/main/php/com-realexpayments-hpp-sdk/domain/HppRequest.php
public function addHppVersion( $hppVersion ){
		if ( is_bool( $hppVersion ) ) {
			$this->cardStorageEnable = $hppVersion ? Flag::TRUE : Flag::FALSE;
		} else {
			$this->hppVersion = $hppVersion;
		}


		return $this;
	}
public function addHppVersion( $hppVersion ){
		if ( is_bool( $hppVersion ) ) {
			$this->cardStorageEnable = $hppVersion ? Flag::TRUE : Flag::FALSE;
		} else {
			$this->hppVersion = $hppVersion;
		}


		return $this;
	}
Helper method for adding the Hpp Version

@param string $hppVersion

@return HppRequest