---
title: "Get operation"
method: GET
path: "/operations/{id}"
tags: ["Operations"]
---

# Get operation

`GET /operations/{id}`

Find operation by its ID.

## Response `200`

Operation

- Operation — A completed loyalty transaction (purchase, refund, or reward). Contains transaction details, customer info, cashier info, and point movements. Uses discriminator on `action` field.
  - `id` integer — Transaction ID in the UDS database.
  - `dateCreated` string, date-time — Transaction date.
  - `action` 'PURCHASE', required — Transaction type.
  - `state` 'NORMAL' | 'CANCELED' | 'REVERSAL' — Transaction lifecycle status: * `NORMAL` — active transaction, loyalty benefits applied * `CANCELED` — transaction was canceled, no loyalty impact * `REVERSAL` — transaction was refunded, loyalty benefits reversed (points returned, cashback deducted)
  - `customer` object — Customer information.
    - `id` integer — Customer ID in the company.
    - `displayName` string — Customer name.
    - `uid` string, nullable — Customer ID in UDS (UID).
    - `membershipTier` MembershipTier — Membership tier (loyalty level) configuration. Defines the discount/cashback rate and automatic upgrade conditions based on spending or referral count.
      - `uid` string — Tier ID.
      - `name` string, required — Tier name.
      - `rate` number, required — Tier rate.
      - `maxScoresDiscount` number, nullable — The maximum discount (in percentage) allowed when redeeming points.
      - `conditions` object — Conditions to upgrade customer tiers automatically.
        - `totalCashSpent` object, nullable — Upgrade to tier when customer reaches target `cashSpent`.
          - `target` number — Amount of cash spent.
        - `effectiveInvitedCount` object, nullable — Upgrade to tier when customer reaches target `effectiveInvitedCount`.
          - `target` integer — Amount of invited count.
  - `cashier` object, nullable — Cashier information.
    - `id` integer — Cashier ID.
    - `displayName` string — Cashier name.
  - `branch` object, nullable — Branch information.
    - `id` integer — Branch ID.
    - `displayName` string — Branch name.
  - `points` number — The amount of points which changed customer balance as a result of the operation. A negative value means write-off of bonus points and a positive value means point accrual.
  - `certificatePoints` number, nullable — Number of deducted certificate points.
  - `receiptNumber` string, nullable — Receipt number.
  - `origin` object, nullable — Reference to origin operation (for operations in state REVERSAL).
    - `id` integer — Origin transaction ID.

---

[API](https://skmtc.dev/uds/apis/uds-api.md) · [All operations](https://skmtc.dev/uds/apis/uds-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/uds/uds-api/revisions/6fbbbc79e671/schema)