--- "@context": https://schema.org "@type": TechArticle "@id": https://www.twilio.com/docs/events/event-types/taskrouter/task-queue#article headline: Task Queue description: List of TaskRouter event types regarding Task Queue available in Twilio Event Streams, as well as their JSON schemas and examples. url: https://www.twilio.com/docs/events/event-types/taskrouter/task-queue inLanguage: en dateModified: 2026-10-12T19:18:47.000Z author: "@type": Organization name: Twilio Developer Education Team publisher: "@type": Organization name: Twilio --- # Task Queue ## Created `com.twilio.taskrouter.task-queue.created` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Created events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.created", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1) ## Deleted `com.twilio.taskrouter.task-queue.deleted` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Deleted events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.deleted", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1) ## Entered `com.twilio.taskrouter.task-queue.entered` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Entered events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.entered", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1) ## Expression Updated `com.twilio.taskrouter.task-queue.expression.updated` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Expression Updated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.expression.updated", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1) ## Moved `com.twilio.taskrouter.task-queue.moved` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Moved events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.moved", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1) ## Timeout `com.twilio.taskrouter.task-queue.timeout` > \[!NOTE] > > The `worker_time_in_previous_activity` field began reporting in seconds starting May 21, 2021. Version 2 of the TaskRouter schema added a new `worker_time_in_previous_activity_ms` field that was not exposed through Event Streams previously. If you want to measure this field in milliseconds, you must use schema version 2. Task Queue Timeout events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/taskrouter/api/event). **Examples** ```json { "specversion" : "1.0", "type" : "com.twilio.taskrouter.task-queue.timeout", "source" : "AB00000000000000000000000001", "id" : "NO00000000000000000000000001", "dataschema" : "https://events-schemas.twilio.com/TaskRouter.WDSEvent/4", "datacontenttype" : "2025-10-08T07:17:02.363Z", "data" : { "sid" : "EV0000000000000000000000000000001", "name" : "ReservationCreated", "account_sid" : "AC0000000000000000000000000000001", "account_friendly_name" : "An account name", "parent_account_sid" : "AC0000000000000000000000000000001", "parent_friendly_name" : "Another account name", "timestamp" : "2025-01-01T00:00:00.000Z", "level" : "INFO", "group" : "reservation", "product_name" : "TaskRouter", "publisher" : "Flex Task Assignment", "publisher_metadata" : "{}", "payload_type" : "application/json", "payload" : { "sid" : "EV0000000000000000000000000000001", "eventtype" : "reservation.created", "account_sid" : "AC0000000000000000000000000000001", "timestamp" : "2025-01-01T00:00:00.000Z", "workspace_sid" : "WS0000000000000000000000000000001", "workspace_name" : "Flex Task Assignment", "task_sid" : "WT0000000000000000000000000000001", "task_attributes" : "{}", "task_age" : 31088, "task_date_created" : "2025-01-01T00:00:00.000Z", "task_priority" : 1, "task_assignment_status" : "reserved", "task_completed_reason" : "All reservations were completed", "task_canceled_reason" : "hangup", "reason" : "hangup", "task_channel_sid" : "TC0000000000000000000000000000001", "task_channel_unique_name" : "chat", "reservation_sid" : "WR0000000000000000000000000000001", "worker_sid" : "WK0000000000000000000000000000001", "worker_name" : "Flex Task Assignment", "worker_attributes" : "{}", "worker_activity_sid" : "WA0000000000000000000000000000001", "worker_activity_name" : "handling 2", "worker_time_in_previous_activity" : 322, "worker_time_in_previous_activity_ms" : 322859, "worker_previous_activity_sid" : "WA0000000000000000000000000000002", "worker_previous_activity_name" : "handling 1", "workflow_sid" : "WW0000000000000000000000000000002", "workflow_name" : "My workflow", "task_queue_sid" : "WQ0000000000000000000000000000002", "task_queue_name" : "My task queue", "worker_channel_available" : 1, "worker_channel_capacity" : 1, "worker_channel_available_capacity" : 100.0, "worker_channel_previous_capacity" : 6.0, "worker_channel_task_count" : 0, "workflow_filter_name" : "My workflow filter name", "workflow_filter_expression" : "1==1", "workflow_filter_target_expression" : "worker.channel.chat.assigned_tasks <= 1", "workflow_filter_target_name" : "My workflow filter target name", "previous_task_queue_sid" : "WQ0000000000000000000000000000001", "previous_task_queue_name" : "My previous task queue name", "previous_task_priority" : 3, "target_changed_reason" : "skipped", "task_re_evaluated_reason" : "reservation_timeout", "task_queue_target_expression" : "allowed_channels HAS \"chat\"", "task_transfer_sid" : "TT0000000000000000000000000000001", "transfer_type" : "QUEUE", "transfer_initiating_worker_sid" : "WK0000000000000000000000000000001", "transfer_initiating_reservation_sid" : "WR0000000000000000000000000000001", "transfer_to" : "WQ0000000000000000000000000000001", "transfer_mode" : "COLD", "transfer_started" : "2025-01-01T00:00:00.000Z", "transfer_failed_reason" : "", "transfer_status" : "complete", "event_description" : "Reservation WR0000000000000000000000000000001 created", "resource_type" : "reservation", "resource_sid" : "WR0000000000000000000000000000001", "task_routing_target" : "WK0000000000000000000000000000001", "reservation_reason_code" : 45302, "task_age_in_queue" : 31086, "task_queue_entered_date" : "2025-01-01T00:00:00.000Z", "task_version" : 4, "reservation_version" : 0, "task_virtual_start_time" : "2025-01-01T00:00:00.000Z", "worker_channel_consumed_capacity" : 2, "worker_version" : 4019, "task_channel_name" : "My task channel name", "task_channel_optimized_routing" : false, "known_worker_sid" : "WK0000000000000000000000000000001", "activity_sid" : "WA0000000000000000000000000000001", "activity_name" : "My activity name", "activity_available" : true, "operating_unit_sid" : "OU0000000000000000000000000000001", "operating_unit_friendly_name" : "My operating unit", "operating_unit_date_created" : "2025-01-01T00:00:00.000Z", "operating_unit_date_updated" : "2025-01-01T00:00:00.000Z", "task_add_on_attributes" : "{}", "task_timeout" : 86400, "worker_available" : true, "reservation_timeout" : 25, "reservation_status" : "accepted" } } } ``` **Versions** * [v4 (latest)](https://events-schemas.twilio.com/TaskRouter.WDSEvent/4) * [v3](https://events-schemas.twilio.com/TaskRouter.WDSEvent/3) * [v2](https://events-schemas.twilio.com/TaskRouter.WDSEvent/2) * [v1](https://events-schemas.twilio.com/TaskRouter.WDSEvent/1)