# Where to enter scripting function?

**URL:** https://community.mp3tag.de/t/where-to-enter-scripting-function/43114
**Category:** Support
**Created:** [September 28, 2018, 12:05pm UTC](https://community.mp3tag.de/t/where-to-enter-scripting-function/43114 "2018-09-28T12:05:52Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Florian](https://community.mp3tag.de/user_avatar/community.mp3tag.de/florian/32/5759_2.png) [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [September 28, 2018, 12:58pm UTC](https://community.mp3tag.de/t/where-to-enter-scripting-function/43114/2 "2018-09-28T12:58:11Z")

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Glad you like it 🙂

You'd use it inside an action "Format value" in this case. See this post from the #FAQ (Frequently Asked Questions) for an example which you can adapt to your case (field `TITLE` and the format string you've posted).

> [@Actions and batch-operations](https://community.mp3tag.de/t/actions-and-batch-operations/967/5):
>
> How to append the string " xyz" to the content of a tag field? Create a [new action](https://community.mp3tag.de/t/actions/967/2) in an existing action group and choose Format value as action type. Field specifies the tag field the formatting rule should be applied to. Format string must have the field placeholder for the field selected above and the string which should be appended. Example: If you want to append the string " xyz" to the current value of the comment field: Action type: Format value Field: COMMENT Format string: %com…

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