# Automated tagging of files

Nextcloud’s Files Automated Tagging app allows to assign collaborative tags to files and folders based on rules, similar to Files access control.

## Assigning restricted and invisible tags

The main functionality of this app is to allow users to indirectly assign restricted and invisible tags to files they upload.

This is especially useful for retention and Files access control, so people that got the files shared can not remove the tag to stop the retention or allow access against the owners will.

## Example

After installing the Files automated tagging app as described in Apps management navigate to the configuration and locate the Workflow settings.

In the example you can see a simple rule with only one condition. It will tag all files with the restricted tag `Protected file` that are uploaded into a folder that is tagged with `Protect content`. No user can remove the tag `Protected file` and therefor access control and retention both work fine without users being able to work around them.

## Available rules

The available rules can be seen in the access control section: Available rules.

## Executing actions

It is possible to execute actions like ``convert to PDF`` based on assigned tags. Nextcloud GmbH assists customers in this with hands-on help and documentation on our customer portal.

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