Events are triggered in your site's backend when certain changes occur to your site's members. You can write event handlers that react to these events. Event handler functions receive data that correspond to the backend event that has occurred. Use event handlers to create custom responses to the events.

Events are not triggered when previewing your site.

To add an event handler, add an events.js file to the Backend section of your site if one does not already exist. All event handler functions for your site are defined in this file.

Event handler functions are defined using the following pattern:

export function <wixAppName>_<eventName>(event) { }
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For example, an event handler that handles the creation of a site member looks like this:

export function wixMembers_onMemberCreated(event) { }
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