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What is the Events Manager

The Events Manager consumes realtime events during conversations - it provides a framework to consume and take action on these events asychronously.

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Current Event Types

The current event types include:

  1. TRANSCRIPT: Indicates a partial transcript for the conversation has been received.
  2. TRANSCRIPT_COMPLETE: Indicates the transcript is complete (ie conversation has ended).
  3. ACTION: Indicates that a Vocode action has begun or completed.
  4. PHONE_CALL_CONNECTED: Indicates a phone call has been connected (only gets sent during PhoneConversations)
  5. PHONE_CALL_ENDED: Indicates a phone call has ended.

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Usage

Using the events manager to take particular action when events fire requires that you subclass vocode.streaming.utils.EventsManager and override the handle_event method.

You can also configure which events your EventsManager is subscribed to by using the subscriptions property (see example).

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Example

from vocode.streaming.models.events import Event, EventType

from vocode.streaming.models.events import Event, EventType
from vocode.streaming.models.transcript import TranscriptCompleteEvent
from vocode.streaming.utils.events_manager import EventsManager


class CustomEventsManager(EventsManager):
    def __init__(self):
        super().__init__([EventType.TRANSCRIPT_COMPLETE])

    async def handle_event(self, event: Event):
        if isinstance(event, TranscriptCompleteEvent):
            print("The call has finished, the transcript was", event.transcript.to_string())

In this example, we create a custom EventsManager subclass is created with a subscription to the TRANSCRIPT_COMPLETE event and then print the transcript when we receive the event.

To use CustomEventsManager, you can pass it into any Conversation, e.g.

...
conversation = StreamingConversation(
    ...,
    events_manager=CustomEventsManager()
)

You can also pass it into a TelephonyServer, like:

server = TelephonyServer(
    ...,
    events_manager=CustomEventsManager()
)