---
title: "Split item event"
method: POST
path: "split-item"
tags: ["Webhooks"]
---

# Split item event

`POST split-item` (webhook)

Delivered for each individual item produced by a `split` function. Carries the item's offset within its parent collection and a presigned URL to its bytes.

For signing-secret setup and retry semantics that apply to every variant, see the [Webhooks overview](/api/v3/webhooks).

## Payload

- SplitItemEvent
  - `functionCallTryNumber` integer — The attempt number of the function call that created this event. 1 indexed.
  - `eventID` string, required — Unique ID generated by bem to identify the event.
  - `createdAt` string, date-time — Timestamp indicating when the event was created.
  - `referenceID` string, required — The unique ID you use internally to refer to this data point, propagated from the original function input.
  - `inboundEmail` EventInboundEmail
    - `to` string, required — The email address of the recipient.
    - `deliveredTo` string — The email address of the original intended recipient if the email itself was forwarded.
    - `from` string, required — The email address of the sender.
    - `subject` string, required — The subject of the email.
  - `metadata` object
    - `durationFunctionToEventSeconds` number
  - `eventType` 'split_item'
  - `functionCallID` string — Unique identifier of function call that this event is associated with.
  - `functionID` string, required — Unique identifier of function that this event is associated with.
  - `functionName` string, required — Unique name of function that this event is associated with.
  - `functionVersionNum` integer — Version number of function that this event is associated with.
  - `callID` string — Unique identifier of workflow call that this event is associated with.
  - `workflowID` string — Unique identifier of workflow that this event is associated with.
  - `workflowName` string — Name of workflow that this event is associated with.
  - `workflowVersionNum` integer — Version number of workflow that this event is associated with.
  - `outputType` 'print_page' | 'semantic_page', required
  - `printPageOutput` object
    - `collectionReferenceID` string
    - `itemCount` integer
    - `itemOffset` integer
    - `s3URL` string
  - `semanticPageOutput` object
    - `collectionReferenceID` string
    - `pageCount` integer
    - `itemCount` integer
    - `itemOffset` integer
    - `itemClass` string
    - `itemClassCount` integer
    - `itemClassOffset` integer
    - `pageStart` integer
    - `pageEnd` integer
    - `s3URL` string

## Acknowledgement `2XX`

Return any 2XX status code to acknowledge receipt. The exact code is not inspected.

---

[API](https://skmtc.dev/bem-team/apis/bem-api.md) · [All operations](https://skmtc.dev/bem-team/apis/bem-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/bem-team/bem-api/revisions/a6e4624117c6/schema)