# RequestPermanentControlCharsCallback Function

> Callback function for requests expecting a PermanentControlChar value.

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

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## On This Page

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

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## Nearby

- **Previous:** [RequestParagraphStyleCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestparagraphstylecallback/llms.txt)
- **Next:** [RequestPointCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestpointcallback/llms.txt)