# Vanilla JavaScript (/docs/developer/vanilla-js) # Vanilla JavaScript [#vanilla-javascript] The package exposes a browser global (`window.ucoderInsight`) when loaded from a CDN — no build step or bundler required. Wait for the SDK ready event before initializing it. ```html ``` Place both ` ``` | Field | Required | Description | | :---------------- | :------- | :------------------------------------------------------------------------------------------------------------------------------------------- | | `event_name` | Yes | The primary name identifying the event type (e.g. `user_signup_attempt`). | | `action_category` | Yes | Groups similar events for high-level reporting (e.g. `form`, `media`, `ecommerce`, `navigation`). | | `object_id` | No | Identifier for the object related to the event (e.g. a form or video ID). | | `status` | No | The outcome of the action — `"success"` or `"failure"`. | | `message` | No | A human-readable description or error message for the event. | | `additionalData` | No | Extra key–value context. Values must be `string`, `number`, `boolean`, `null`, or `undefined` — nested objects and arrays are not supported. | A more complete example, fired on a button click: ```html ``` ## Page views [#page-views] Page views are tracked automatically on every full page load — since a plain HTML site navigates by loading a new page each time, no route-change handling (like in a single-page app) is needed here. See [Configuration](/docs/getting-started/configuration) for supported initialization options.