---
title: "List timeline events for a facility workflow"
method: GET
path: "/facility-credentialing-workflows/{workflowId}/timeline-events"
tags: ["FacilityCredentialingWorkflow"]
---

# List timeline events for a facility workflow

`GET /facility-credentialing-workflows/{workflowId}/timeline-events`

Returns the list of timeline events for the specified facility credentialing workflow. Timeline events represent status transitions and other tracked changes to the workflow over its lifecycle. **When to use:** Use to retrieve the audit trail or status history of a workflow. Scoped to the workflow's tenant. **Filtering and sorting:** Both `filter` and `order` accept JSON strings. **Returns:** `200 OK` with a list of timeline event records. Filter values must be string maps only; in and nin filter forms are dropped by the api-layer parser and have no effect.

## Path parameters

- `workflowId` string, required

## Query parameters

- `endAtId` string
- `filter` string
- `order` string
- `page` integer
- `size` integer
- `startAfterId` string

## Headers

- `tenant-id` string, required

## Response `200`

Successfully retrieved facility timeline events

- GetFacilityTimelineEventsResponse — Response containing a paginated list of facility timeline events
  - `totalCount` integer — Total count of facility timeline events matching the filter criteria
  - `data` object[] — Array of facility timeline event records
    - `id` string
    - `workflowId` string
    - `createdBy` string
    - `createdAt` string, date
    - `updatedAt` string, date
    - `updatedBy` string
    - `data` FacilityTimelineEventschema
      - `credentialingDecisionDate` string, date, required
      - `nextCredentialingDate` string, date, required
      - `nextCredentialingDateSource` 'SYSTEM_CALCULATED' | 'USER_INPUT'
      - `changeReason` string, required
      - `psvPdfPath` string
      - `nextCredentialingDateChangeLog` FacilityCredApprovedNextCredentialingDateChangeLogInner[]
        - `changedFrom` string, date, required
        - `changedTo` string, date, required
        - `changeReason` string, required
        - `createdBy` string, required
        - `createdAt` string, date, required
      - `isOverride` boolean
      - `overrideReason` string

## Other responses

- `400` — Invalid request parameters
- `401` — Unauthorized - Authentication required
- `403` — Forbidden - User does not have required permissions
- `500` — Internal Server Error - An unexpected error occurred

---

[API](https://skmtc.net/certifyos/apis/certify-api-layer.md) · [All operations](https://skmtc.net/certifyos/apis/certify-api-layer/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/certifyos/certify-api-layer/revisions/563848e0ecc0/schema)