},
                },
                "post": {
                    "summary": "Create Item",
                    "operationId": "create_item_items__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/Item"}
                            }

                            "name": "item_id",
                            "in": "path",
                        }
                    ],
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": IsDict(
                                    {

    Thread.sleep(250)
    response.body.source().readUtf8()
    response.close()
    assertThat(call.isCanceled()).isFalse()
  }

  private fun sleepingRequestBody(sleepMillis: Int): RequestBody {
    return object : RequestBody() {
      override fun contentType(): MediaType? {
        return "text/plain".toMediaTypeOrNull()
      }

      @Throws(IOException::class)
      override fun writeTo(sink: BufferedSink) {

import okhttp3.MediaType
import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol.HTTP_1_1
import okhttp3.RecordingEventListener
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.SimpleProvider
import okhttp3.internal.http.CancelTest.CancelMode.CANCEL
import okhttp3.internal.http.CancelTest.CancelMode.INTERRUPT
import okhttp3.internal.http.CancelTest.ConnectionType.H2

# Body – Mehrere Parameter

Jetzt, da wir gesehen haben, wie `Path` und `Query` verwendet werden, schauen wir uns fortgeschrittenere Verwendungsmöglichkeiten von Requestbody-Deklarationen an.

## `Path`-, `Query`- und Body-Parameter vermischen

Zuerst einmal, Sie können `Path`-, `Query`- und Requestbody-Parameter-Deklarationen frei mischen und **FastAPI** wird wissen, was zu tun ist.

                            },
                        },
                    },
                    "summary": "Create User",
                    "operationId": "create_user_user__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/UserIn"}
                            }

                            },
                        },
                    },
                    "summary": "Create User",
                    "operationId": "create_user_user__post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/UserIn"}
                            }

                            },
                            "name": "item_id",
                            "in": "path",
                        }
                    ],
                    "requestBody": {
                        "required": True,
                        "content": {
                            "application/json": {
                                "schema": IsDict(
                                    {

                    "operationId": "new_subscriptionnew_subscription_post",
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {"$ref": "#/components/schemas/Subscription"}
                            }

                            "name": "item_id",
                            "in": "path",
                        }
                    ],
                    "requestBody": {
                        "content": {
                            "application/json": {
                                "schema": {