src/MarketplaceWebServiceProducts/Model/SalesRankList.php
public function setSalesRank($value)
    {
        if (!$this->_isNumericArray($value)) {
            $value = array($value);
        }
        $this->_fields['SalesRank']['FieldValue'] = $value;
        return $this;
    }
public function setSalesRank($value)
    {
        if (!$this->_isNumericArray($value)) {
            $value = array($value);
        }
        $this->_fields['SalesRank']['FieldValue'] = $value;
        return $this;
    }
Set the value of the SalesRank property.

@param array $value salesRank
@return $this This instance