google-genai/com.google.genai.interactions.models.interactions/SpeechConfig/Builder/speaker

speaker

public final SpeechConfig.Builder speaker(String speaker)

The speaker's name, it should match the speaker name given in the prompt.

public final SpeechConfig.Builder speaker(JsonField<String> speaker)

Sets Builder.speaker to an arbitrary JSON value.

You should usually call Builder.speaker with a well-typed String value instead. This method is primarily for setting the field to an undocumented or not yet supported value.