# PropertyChangedCallback Function

> Callback function for events related to a property change. (see also TXTextControl.addEventListener function)

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Function
- **Introduced:** 28.0
- **Path:** DS Server > Reference > JavaScript API > PropertyChangedCallback Function
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/#description)
- [Syntax](https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/#syntax)
- [Examples](https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedcallback/#examples)

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## Nearby

- **Previous:** [Javascript: Point.y Property](https://docs.textcontrol.com/ds-server/reference/javascript/point/y-property/llms.txt)
- **Next:** [PropertyChangedEventArgs Object](https://docs.textcontrol.com/ds-server/reference/javascript/propertychangedeventargs/llms.txt)