src/Merchandising/Services/MerchandisingBaseService.php
protected function getEbayHeaders($operationName)
    {
        $headers = [];

        // Add required headers first.
        $headers[self::HDR_APP_ID] = $this->getConfig('credentials')->getAppId();
        $headers[self::HDR_OPERATION_NAME] = $operationName;

        // Add optional headers.
        if ($this->getConfig('apiVersion')) {
            $headers[self::HDR_API_VERSION] = $this->getConfig('apiVersion');
        }

        if ($this->getConfig('globalId')) {
            $headers[self::HDR_GLOBAL_ID] = $this->getConfig('globalId');
        }

        return $headers;
    }
protected function getEbayHeaders($operationName)
    {
        $headers = [];

        // Add required headers first.
        $headers[self::HDR_APP_ID] = $this->getConfig('credentials')->getAppId();
        $headers[self::HDR_OPERATION_NAME] = $operationName;

        // Add optional headers.
        if ($this->getConfig('apiVersion')) {
            $headers[self::HDR_API_VERSION] = $this->getConfig('apiVersion');
        }

        if ($this->getConfig('globalId')) {
            $headers[self::HDR_GLOBAL_ID] = $this->getConfig('globalId');
        }

        return $headers;
    }
Builds the needed eBay HTTP headers.

@param string $operationName The name of the operation been called.

@return array An associative array of eBay http headers.