ChatFutures

public abstract classChatFutures

This class is deprecated.
The Vertex AI in Firebase SDK (firebase-vertexai) has been replaced with the FirebaseAI SDK (firebase-ai) to accommodate the evolving set of supported features and services.For migration details, see the migration guide: https://firebase.google.com/docs/vertex-ai/migrate-to-latest-sdk

See also
`Chat`

Summary

Nested types
`public static classChatFutures.Companion`

Public methods
`static final @NonNullChatFutures`	`from(@NonNullChat chat)`
`abstract @NonNullChat`	`getChat()` Returns the`Chat` object wrapped by this object.
`abstract @NonNullListenableFuture<@NonNullGenerateContentResponse>`	`sendMessage(@NonNullContent prompt)` Sends a message using the existing history of this chat as context and the provided`Content` prompt.
`abstract @NonNullPublisher<@NonNullGenerateContentResponse>`	`sendMessageStream(@NonNullContent prompt)` Sends a message using the existing history of this chat as context and the provided`Content` prompt.

public static final @NonNullChatFutures from(@NonNullChat chat)

Returns
`@NonNullChatFutures`	a`ChatFutures` created around the provided`Chat`

public abstract @NonNullChat getChat()

Returns theChat object wrapped by this object.

public abstract @NonNullListenableFuture<@NonNullGenerateContentResponse> sendMessage(@NonNullContent prompt)

Sends a message using the existing history of this chat as context and the providedContent prompt.

If successful, the message and response will be added to the history. If unsuccessful, history will remain unchanged.

Parameters
`@NonNullContent prompt`	The input(s) that, together with the history, will be given to the model as the prompt.

Throws
`com.google.firebase.vertexai.type.InvalidStateException com.google.firebase.vertexai.type.InvalidStateException`	if`prompt` is not coming from the 'user' role
`com.google.firebase.vertexai.type.InvalidStateException com.google.firebase.vertexai.type.InvalidStateException`	if the`Chat` instance has an active request

public abstract @NonNullPublisher<@NonNullGenerateContentResponse> sendMessageStream(@NonNullContent prompt)

Sends a message using the existing history of this chat as context and the providedContent prompt.

The response from the model is returned as a stream.

If successful, the message and response will be added to the history. If unsuccessful, history will remain unchanged.

Parameters
`@NonNullContent prompt`	The input(s) that, together with the history, will be given to the model as the prompt.

Throws
`com.google.firebase.vertexai.type.InvalidStateException com.google.firebase.vertexai.type.InvalidStateException`	if`prompt` is not coming from the 'user' role
`com.google.firebase.vertexai.type.InvalidStateException com.google.firebase.vertexai.type.InvalidStateException`	if the`Chat` instance has an active request

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Last updated 2025-07-21 UTC.