Function useRealtime

examples/ts-react-chat/src/lib/use-realtime.ts:56–104

({
  provider,
  language,
  voice,
  outputModalities,
  temperature,
  maxOutputTokens,
  semanticEagerness,
}: {
  provider: Provider
  language?: string
  voice?: string
  outputModalities?: Array<'audio' | 'text'>
  temperature?: number
  maxOutputTokens?: number | 'inf'
  semanticEagerness?: 'low' | 'medium' | 'high'
})

}

export function useRealtime({
  provider,
  language,
  voice,
  outputModalities,
  temperature,
  maxOutputTokens,
  semanticEagerness,
}: {
  provider: Provider
  language?: string
  voice?: string
  outputModalities?: Array<'audio' | 'text'>
  temperature?: number
  maxOutputTokens?: number | 'inf'
  semanticEagerness?: 'low' | 'medium' | 'high'
}) {
  return useRealtimeChat({
    getToken: () =>
      getRealtimeTokenFn({
        data: {
          provider,
          ...(provider === 'elevenlabs' && language ? { language } : {}),
        },
      }),
    adapter: adapterForProvider(provider),
    instructions: `You are a helpful, friendly voice assistant with access to several tools.

You can:
- Tell the user the current time and date (getCurrentTime)
- Get weather information for any location (getWeather)
- Set reminders for the user (setReminder)
- Search a knowledge base for information (searchKnowledge)

Keep your responses concise and conversational since this is a voice interface.
When using tools, briefly explain what you're doing and then share the results naturally.
If the user sends an image, describe what you see and answer any questions about it.
Be friendly and engaging!`,
    voice: voice ?? (provider === 'grok' ? 'eve' : 'alloy'),
    tools: realtimeClientTools,
    outputModalities,
    temperature,
    maxOutputTokens,
    semanticEagerness,
    onError: (err) => {
      console.error('Realtime error:', err)
    },
  })
}