# JavaScript Object

You can use your browser dev tools to view `PulseInsightsObject` to get insights into what Pulse Insights is doing. 

<div align="left"><figure><img src="/files/3kvZn4Kn5XdqIyhyQIeS" alt=""><figcaption></figcaption></figure></div>

## Descriptions

**logMessages** can help trace while a particular survey is or isn't being returned.

**customData** is a synonym for [Context Data](/implementing-pulse-insights-dev/implementing-on-web-and-mobile-web/ingesting-contextual-data-for-targeting-and-analysis.md) and tells you what will be sent with any response data

**previewMode** tells you whether you are in Preview Mode, which enables you to receive Draft Mode surveys. See [QA Features](broken://pages/z0RqSHl9SeQHbhUMqsQ8) for more details.


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