# SendMessageResponse **SDK:** PostHog JavaScript Web SDK ### Properties - **`created_at`** (`string`) - ISO timestamp when the message was created - **`message_id`** (`string`) - ID of the newly created message - **`ticket_id`** (`string`) - ID of the ticket this message belongs to - **`ticket_status`** (`TicketStatus`) - Current status of the ticket - **`unread_count`** (`number`) - Number of unread messages from the team After customer sends a message, this is always 0