# Live Reaction

**Live Reactions** are interactions that users can perform during a livestream. These reactions can be anything, such as *like*, *dislike*, *love*, etc. The specific reaction types are determined by the client. The SDK provides convenient functions to add and query reactions.

### Create a live reaction

The `createReaction` function within liveReaction repository allows user to create a reaction to a livestream. This function requires following parameters:

* `referenceId` - The target post ID linked with a stream.
* `referenceType` - The referenceType should be 'post'.
* `reactionName` - The name of the reaction that you will add. Reaction names are case sensitive, i.e. "like" & "Like" are two different reactions.
* `streamId` - The streamID that you will add the reaction to.

{% tabs %}
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### Observe Live Reactions

To observe reactions added to a stream, the `getReactions` requires a post ID of the post linked with the stream.

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