# Brevo::Body10 ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **visitor_id** | **String** | visitor’s ID received <a href=\"https://developers.brevo.com/docs/conversations-webhooks\">from a webhook</a> or generated by you to <a href=\"https://developers.brevo.com/docs/customize-the-widget#identifying-existing-users\">bind existing user account to Conversations</a> | **text** | **String** | message text | **agent_id** | **String** | agent ID. It can be found on agent’s page or received <a href=\"https://developers.brevo.com/docs/conversations-webhooks\">from a webhook</a>. Optional if `groupId` is set. | [optional] **group_id** | **String** | group ID. It can be found on group’s page. Optional if `agentId` is set. | [optional]