dev changes

docs/plex-media-server/activities.tag.mdx

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+---
+id: activities
+title: "Activities"
+description: "Activities"
+custom_edit_url: null
+---
+
+
+
+Activities are awesome. They provide a way to monitor and control asynchronous operations on the server. In order to receive real-time updates for activities, a client would normally subscribe via either EventSource or Websocket endpoints.
+Activities are associated with HTTP replies via a special `X-Plex-Activity` header which contains the UUID of the activity.
+Activities are optional cancellable. If cancellable, they may be cancelled via the `DELETE` endpoint. Other details:
+- They can contain a `progress` (from 0 to 100) marking the percent completion of the activity.
+- They must contain an `type` which is used by clients to distinguish the specific activity.
+- They may contain a `Context` object with attributes which associate the activity with various specific entities (items, libraries, etc.)
+- The may contain a `Response` object which attributes which represent the result of the asynchronous operation.
+
+
+
+
+```mdx-code-block
+import DocCardList from '@theme/DocCardList';
+import {useCurrentSidebarCategory} from '@docusaurus/theme-common';
+
+<DocCardList items={useCurrentSidebarCategory().items}/>
+```
+