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

# Update conversation read state

> Advance the read cursor of the caller to a message of the conversation when the user has seen messages; the cursor never moves backwards.

`updateConversationReadState(conversationId: ID!, input: UpdateConversationReadStateInput!): ConversationReadState!`

## Arguments

| Argument | Type | Required |
| - | - | - |
| `conversationId` | [`ID!`](https://veryfront.com/docs/cloud/graphql/types/id) | Yes |
| `input` | [`UpdateConversationReadStateInput!`](https://veryfront.com/docs/cloud/graphql/types/updateconversationreadstateinput) | Yes |

## Input fields

### input

[`UpdateConversationReadStateInput`](https://veryfront.com/docs/cloud/graphql/types/updateconversationreadstateinput)

| Field | Type | Required | Description |
| - | - | - | - |
| `messageId` | [`ID!`](https://veryfront.com/docs/cloud/graphql/types/id) | Yes | Advances the read cursor to this message; an older message does not move it backward. |

## Response

Returns [`ConversationReadState!`](https://veryfront.com/docs/cloud/graphql/types/conversationreadstate). Open the type for its fields and nested types.

| Field | Type |
| - | - |
| `conversationId` | [`ID!`](https://veryfront.com/docs/cloud/graphql/types/id) |
| `lastReadMessageId` | [`ID`](https://veryfront.com/docs/cloud/graphql/types/id) |
| `unreadCount` | [`Int!`](https://veryfront.com/docs/cloud/graphql/types/int) |

Types marked with `!` cannot be null. Lists use `[Type]` notation. The [type index](https://veryfront.com/docs/cloud/graphql/schema.md) lists all published input and response types.

## Example

```graphql title="query.graphql" theme={null}
mutation UpdateConversationReadState($conversationId: ID!, $input: UpdateConversationReadStateInput!) {
  updateConversationReadState(conversationId: $conversationId, input: $input) {
    conversationId
    lastReadMessageId
    unreadCount
  }
}
```

```json title="variables.json" theme={null}
{
  "conversationId": "00000000-0000-4000-8000-000000000001",
  "input": {
    "messageId": "00000000-0000-4000-8000-000000000001"
  }
}
```

<details>
  <summary>Try this mutation</summary>

  Calls use `https://api.veryfront.com/graphql`. Replace sample values with resources you can access. See [Authentication](https://veryfront.com/docs/cloud/authentication.md) for credentials and permissions.

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  Mutation

  Variables (JSON)
</details>


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