Speech-to-speech (EVI)Chat Webhooks

Tool Call

Sent when EVI triggers a tool call

Payload

The payload of this webhook request is an object.
caller_numberstring or nullRequired

Phone number of the caller in E.164 format (e.g., +12223333333). This field is included only if the Chat was created via the Twilio phone calling integration.

chat_group_idstringRequired

Unique ID of the Chat Group associated with the Chat session.

chat_idstringRequired

Unique ID of the Chat session.

config_idstring or nullRequired

Unique ID of the EVI Config used for the session.

custom_session_idstring or nullRequired

User-defined session ID. Relevant only when employing a custom language model in the EVI Config.

timestampintegerRequired

Unix timestamp (in milliseconds) indicating when the tool call was triggered.

tool_call_messageobjectRequired
The tool call.
twilio_metadatamap from strings to strings or nullRequired

Twilio metadata associated with the chat. This field is included only if the Chat was created via the Twilio phone calling integration. Fields may include call_sid, account_sid, from_number, to_number, caller_name, caller_number, from_city, from_state, from_zip, from_country, to_city, to_state, to_zip, and to_country.If a specific metadata is not available, this field will be set to an empty string.

event_name"tool_call"Optional

Always tool_call.

Response

200
any
Return a 200 status to indicate that the data was received successfully.