> ## Documentation Index > Fetch the complete documentation index at: https://developer.voyado.com/llms.txt > Use this file to discover all available pages before exploring further. # E-com and communication Here we cover the tracking and communication possibilities in Engage. ## E-com and tracking Captures customer interactions on your e-com and connect them to a customer profile in Engage. * **Web activity tracking** records on-site behavior such as product views and cart activity * **Onsite messaging** allows targeted messages and campaigns to be displayed directly within the e-commerce experience * **Back in stock** enables customers to subscribe to stock updates for a specific product and triggers notifications when items are restocked ## Campaigns Learn about email, SMS and postal send-outs in Engage. Read about: * Email deliverability * Bounced and unsubscribed * Sending SMS messages * Using external content * Suggested products For how to create and localize emails for your audiences, see the Help Center: