In general, the disclosed technology relates to a method for generating a web application. The method includes selecting a webpage in the web application and implementing a custom user interface (UI) action on the webpage. Implementing the custom UI action on the webpage may include creating a hidden component on the webpage, associating a custom UI action with the hidden component, specifying at least one input for the hidden component based on the custom UI action, specifying at least one target output for the hidden component based on the custom UI action, and associating the hidden component with a custom UI action trigger event. The method further includes deploying the web application after implementing the custom UI action on the webpage.