Go to the PrestaShop control panel, click Advanced Parameters–Webservice Click Add new webservice keyIn Webservice key setting page, tick all permissions, click Generate, you will see your PrestaShop Webservice Key.Click Save. Keep the Key.Log in your Eiz OMS Basic Account > Click the Marketplace/Store Icon on the dashboard, Click Add more stores button, then Click PrestaShop button.Follow the pop-up page, copy and paste information needed (generate from PrestaShop Control Panel before), click VALIDATE and SAVE.You have now completed the PrestaShop integration, switch on order sync, and start to process your PrestaShop orders in Eiz OMS Basic!