# Appointment.update **POST CallbackRequestUpdate** An existing callback request is updated on your environment. Subscribe to these events to update relevant documents in your CRM or other dataflows. ## Servers - https://api.staging.pexipengage.com/enterprises/acme: https://api.staging.pexipengage.com/enterprises/acme () ## Parameters ### Body: application/json (object) - **id** (string) - **correlationId** (string) - **entity** (string) - **version** (string) - **webhookConfigurationId** (string) - **data** (object | null) ## Responses ### 200 Your server returns this code if it succesfully processed the event ### 201 Your server returns this code if it succesfully processed the event ### 202 Your server returns this code if it succesfully processed the event ### 204 Your server returns this code if it succesfully processed the event [Powered by Bump.sh](https://bump.sh)