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title: "Collaboration"
canonical: "https://wiki.yellowfinbi.com/space/USER71/2032253/Collaboration"
format: markdown
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## Overview

Yellowfin supports your collaboration needs through the following features:

### Timeline

The Yellowfin User Timeline consists of several tabs designed to allow users to track events that occur in the system, and collaborate with other users.

 

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> See [Timeline](https://yellowfin.atlassian.net/wiki/spaces/USER71/pages/2034106) for further information.

### Comments

Comments on reports which can highlight anomalies or share insight.

> See [Comments](https://yellowfin.atlassian.net/wiki/spaces/USER71/pages/2032259) for further information.

### Discussions

Discussions that may reference several reports simultaneously.

> See [Discussion](https://yellowfin.atlassian.net/wiki/spaces/USER71/pages/2034124) for further information.

### Annotations

Annotations on dates which allow users to comment on events that occurred which may result in various trend changes.

![image](media://3a8b8ff6-dc72-4aac-9fe6-b8debf34c62f)

> See [Annotations](https://yellowfin.atlassian.net/wiki/spaces/USER71/pages/2032257) for further information.

### Approval

One of the process management features of Yellowfin is the option of setting up report approval processes. This means that if a user wishes to publish a report to a public directory and they are not authorised to do so the report can be routed to an approver for approval prior to going live.

> See [Approval](https://yellowfin.atlassian.net/wiki/spaces/USER71/pages/2032247) for further information.