return
			}
		case "Bucket":
			z.Bucket, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Bucket")
				return
			}
		case "Prefix":
			err = z.Prefix.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Prefix")
				return
			}
		case "NotificationCfg":
			err = z.NotificationCfg.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "NotificationCfg")
				return

		if IsRemoteErr(err) == nil {
			status = http.StatusInternalServerError
		} else {
			status = http.StatusBadRequest
		}
	}

	prefix := t.Prefix
	if p := handlerPrefixes[h]; p != "" {
		prefix = p
	}
	trace := madmin.TraceInfo{
		TraceType: t.TraceType,
		FuncName:  prefix + "." + h.String(),
		NodeName:  remote,
		Time:      start,
		Duration:  end.Sub(start),
		Path:      t.Subroute,

	Bucket string

	// Directory inside the bucket.
	// When unset listPath will set this based on Prefix
	BaseDir string

	// Scan/return only content with prefix.
	Prefix string

	// FilterPrefix will return only results with this prefix when scanning.
	// Should never contain a slash.
	// Prefix should still be set.
	FilterPrefix string

	// Marker to resume listing.

			if contextCanceled(ctx) {
				return ctx.Err()
			}
			if opts.Limit > 0 && objsReturned >= opts.Limit {
				return nil
			}
			if len(prefix) > 0 && !strings.HasPrefix(entry, prefix) {
				// Do not retain the file, since it doesn't
				// match the prefix.
				entries[i] = ""
				continue
			}
			if len(forward) > 0 && entry < forward {
				// Do not retain the file, since its

    await websocket.send_text(json.dumps(deps))
    await websocket.close()


app.include_router(router, dependencies=[create_dependency("router2")])
app.include_router(
    prefix_router, prefix="/prefix", dependencies=[create_dependency("prefix_router2")]
)


def test_index():
    client = TestClient(app)
    with client.websocket_connect("/") as websocket:
        data = json.loads(websocket.receive_text())

     * Creates an encoded parent directory ID from a path prefix.
     *
     * @param prefix the current path prefix
     * @return encoded parent directory ID, or empty string if at root
     */
    protected static String createParentId(final String prefix) {
        if (prefix == null) {
            return StringUtil.EMPTY;
        }
        final String[] values = prefix.split("/");
        if (values.length > 1) {

fun createQuickFeedbackTasks() {
    val testType = TestType.CROSSVERSION
    val defaultExecuter = "embedded"
    val prefix = testType.prefix
    testType.executers.forEach { executer ->
        val taskName = "$executer${prefix.capitalize()}Test"
        val testTask = createTestTask(taskName, executer, sourceSet, testType) {
            this.setSystemPropertiesOfTestJVM("latest")

        if (StringUtil.isBlank(virtualHostKey)) {
            return null;
        }
        final String prefix = "/" + virtualHostKey;
        if (requestPath.startsWith(prefix)) {
            return requestPath.substring(prefix.length());
        }
        return null;
    }

    @Override
    public String toString() {

  }

  /** Returns the hash prefix given the current mask. */
  static int getHashPrefix(int value, int mask) {
    return value & ~mask;
  }

  /** Returns the index, or 0 if the entry is "null". */
  static int getNext(int entry, int mask) {
    return entry & mask;
  }

  /** Returns a new value combining the prefix and suffix using the given mask. */

<img src="/img/tutorial/bigger-applications/image01.png">

## Include the same router multiple times with different `prefix` { #include-the-same-router-multiple-times-with-different-prefix }

You can also use `.include_router()` multiple times with the *same* router using different prefixes.