---
title: "Trigger C-FIND SCU"
method: POST
path: "/modalities/{id}/query"
tags: ["Networking"]
---

# Trigger C-FIND SCU

`POST /modalities/{id}/query`

Trigger C-FIND SCU command against the DICOM modality whose identifier is provided in URL: https://book.orthanc-server.com/users/rest.html#performing-query-retrieve-c-find-and-find-with-rest

## Path parameters

- `id` string, required

## Request body

- object
  - `Level` string — Level of the query (`Patient`, `Study`, `Series` or `Instance`)
  - `LocalAet` string — Local AET that is used for this commands, defaults to `DicomAet` configuration option. Ignored if `DicomModalities` already sets `LocalAet` for this modality.
  - `Normalize` boolean — Whether to normalize the query, i.e. whether to wipe out from the query, the DICOM tags that are not applicable for the query-retrieve level of interest
  - `Query` object — Associative array containing the filter on the values of the DICOM tags
  - `Timeout` number — Timeout for the C-FIND command and subsequent C-MOVE retrievals, in seconds (new in Orthanc 1.9.1)

## Response `200`

- object
  - `ID` object — Identifier of the query, to be used with `/queries/{id}`
  - `Path` object — Root path to the query in the REST API

---

[API](https://skmtc.net/orthancserver/apis/orthanc-server.md) · [All operations](https://skmtc.net/orthancserver/apis/orthanc-server/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/orthancserver/orthanc-server/versions/af646f6f871b/schema)