src/Amadeus/Client/Struct/PointOfRef/Search.php
protected function loadCountryStateIata(PointOfRefSearchOptions $params)
    {
        if ($this->checkAnyNotEmpty($params->country, $params->state, $params->iata)) {
            $this->porFndQryParams->area = new Area(
                $params->country,
                $params->state,
                $params->iata
            );
        }
    }
protected function loadCountryStateIata(PointOfRefSearchOptions $params)
    {
        if ($this->checkAnyNotEmpty($params->country, $params->state, $params->iata)) {
            $this->porFndQryParams->area = new Area(
                $params->country,
                $params->state,
                $params->iata
            );
        }
    }
Search by country/state/iata code?

@param PointOfRefSearchOptions $params