Api\StructType\ApiHouseProfileData::setExploitation_start_year PHP Method

    public function setExploitation_start_year($exploitation_start_year = null)
    {
        // validation for constraint: string
        if (!is_null($exploitation_start_year) && !is_string($exploitation_start_year)) {
            throw new \InvalidArgumentException(sprintf('Invalid value, please provide a string, "%s" given', gettype($exploitation_start_year)), __LINE__);
        }
        $this->exploitation_start_year = $exploitation_start_year;
        return $this;
    }