# Streamlined engagement tracking and improved user management

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## Added

-   New webhook event:
    `contact_center.engagement_ended`

## Changed

-   New `concurrent_email_capacity` and `email_max_agent_load` response fields in these Users APIs:
    -   `GET /v2/contact_center/users/{userId}`
    -   `GET /v2/contact_center/users`
-   New `email_max_agent_load` and `concurrent_email_capacity` request fields in this Users API:
    -   `POST /v2/contact_center/users`