nextcloud-server/apps/comments/appinfo/info.xml

<?xml version="1.0"?>
<info xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
	  xsi:noNamespaceSchemaLocation="https://apps.nextcloud.com/schema/apps/info.xsd">
	<id>comments</id>
	<name>Comments</name>
	<summary>Files app plugin to add comments to files</summary>
	<description>Files app plugin to add comments to files</description>
	<version>1.19.0</version>
	<licence>agpl</licence>
	<author>Arthur Schiwon</author>
	<author>Vincent Petry</author>
	<types>
		<logging/>
	</types>
	<category>office</category>
	<category>social</category>
	<bugs>https://github.com/nextcloud/server/issues</bugs>
	<dependencies>
		<nextcloud min-version="29" max-version="29"/>
	</dependencies>

	<activity>
		<settings>
			<setting>OCA\Comments\Activity\Setting</setting>
		</settings>

		<filters>
			<filter>OCA\Comments\Activity\Filter</filter>
		</filters>

		<providers>
			<provider>OCA\Comments\Activity\Provider</provider>
		</providers>
	</activity>

	<collaboration>
		<plugins>
			<plugin type="autocomplete-sort">OCA\Comments\Collaboration\CommentersSorter</plugin>
		</plugins>
	</collaboration>
</info>