--- "@context": https://schema.org "@type": TechArticle "@id": https://www.twilio.com/docs/events/event-types/taskrouter/worker#article headline: Worker description: List of TaskRouter event types regarding Worker available in Twilio Event Streams, as well as their JSON schemas and examples. url: https://www.twilio.com/docs/events/event-types/taskrouter/worker inLanguage: en dateModified: 2026-10-12T19:18:47.000Z author: "@type": Organization name: Twilio Developer Education Team publisher: "@type": Organization name: Twilio --- # Worker ## Activity Update `com.twilio.taskrouter.worker.activity.update` > \[!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. Worker Activity Update 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.worker.activity.update", "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) ## Attributes Update `com.twilio.taskrouter.worker.attributes.update` > \[!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. Worker Attributes Update 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.worker.attributes.update", "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) ## Capacity Update `com.twilio.taskrouter.worker.capacity.update` > \[!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. Worker Capacity Update 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.worker.capacity.update", "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) ## Channel Availability Update `com.twilio.taskrouter.worker.channel.availability.update` > \[!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. Worker Channel Availability Update 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.worker.channel.availability.update", "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) ## Created `com.twilio.taskrouter.worker.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. Worker 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.worker.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.worker.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. Worker 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.worker.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)