Triggering Webhooks with XHR (Advanced Functions Techniques)
Blog post from PubNub
The final post in a series on advanced programming techniques explores the use of the Functions XHR module for creating a "Search Bot" within a real-time Angular2 web application utilizing the PubNub data stream platform. The XHR module allows developers to make HTTP/HTTPS requests to external web servers, enabling the integration of third-party APIs for retrieving search results and enhancing message events in applications. By setting up a PubNub BLOCK, developers can intercept messages, perform searches via third-party APIs, and return results to be displayed in a user-friendly interface. The tutorial highlights the ease of integrating various web services into real-time applications using PubNub's enterprise-grade features, such as security and data stream capabilities, while also detailing the implementation process in both back-end and front-end code. The article emphasizes the configurability of the XHR module and its potential applications, including natural language processing and sentiment analysis, offering insights into building scalable and efficient serverless applications.