## Stream Messages

`client.Beta.Chat.Stream(ctx, sessionID, params) (*BetaChatStreamResponse, error)`

**post** `/api/v1/chat/{session_id}/messages/stream`

Stream agent events for a chat turn as Server-Sent Events.

### Parameters

- `sessionID string`

- `params BetaChatStreamParams`

  - `IndexIDs param.Field[[]string]`

    Body param: Indexes to retrieve data from.

  - `Prompt param.Field[string]`

    Body param: User message for this chat turn.

  - `OrganizationID param.Field[string]`

    Query param

  - `ProjectID param.Field[string]`

    Query param

### Returns

- `type BetaChatStreamResponse interface{…}`

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/stainless-sdks/llamacloud-prod-go"
  "github.com/stainless-sdks/llamacloud-prod-go/option"
)

func main() {
  client := llamacloudprod.NewClient(
    option.WithAPIKey("My API Key"),
  )
  response, err := client.Beta.Chat.Stream(
    context.TODO(),
    "session_id",
    llamacloudprod.BetaChatStreamParams{
      IndexIDs: []string{"idx-abc123", "idx-def456"},
      Prompt: "What were the main findings in Q3?",
    },
  )
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", response)
}
```

#### Response

```json
{}
```