> ## Documentation Index
> Fetch the complete documentation index at: https://docs.replyke.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update entity

> Update an existing entity's content fields

## Overview

`useUpdateEntity` returns a function that updates an entity's content fields. After a successful update, the entity state inside the nearest `EntityProvider` is automatically synced with the new data.

## Usage Example

```tsx theme={null}
import { useUpdateEntity } from "@replyke/react-js";

function EditPost({ entityId }: { entityId: string }) {
  const updateEntity = useUpdateEntity();

  const handleSave = async (newContent: string) => {
    const updated = await updateEntity({
      entityId,
      update: { content: newContent },
    });
    console.log("Updated:", updated.id);
  };

  return <button onClick={() => handleSave("Revised content")}>Save</button>;
}
```

## Parameters

<ParamField path="entityId" type="string" required>
  The ID of the entity to update.
</ParamField>

<ParamField path="update.title" type="string | null">
  New title. Pass `null` to clear.
</ParamField>

<ParamField path="update.content" type="string | null">
  New content body. Pass `null` to clear.
</ParamField>

<ParamField path="update.attachments" type="Record<string, any>[]">
  Replacement attachments array.
</ParamField>

<ParamField path="update.keywords" type="string[]">
  Replacement keywords array.
</ParamField>

<ParamField path="update.location" type="{ latitude: number; longitude: number }">
  New geographic location.
</ParamField>

<ParamField path="update.metadata" type="Record<string, any>">
  Replacement metadata object.
</ParamField>

<ParamField path="update.mentions" type="Mention[]">
  Updated mentions array.
</ParamField>

## Returns

<ResponseField name="Entity" type="Entity">
  The updated entity. See [Entity data model](/data-models/entity).
</ResponseField>