diff --git a/api/@ohos.multimedia.avVolumePanel.static.d.ets b/api/@ohos.multimedia.avVolumePanel.static.d.ets
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+/*
+* Copyright (C) 2025 Huawei Device Co., Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import { Position } from './arkui/component/units';
+import { PropRef } from './arkui/stateManagement/decorator';
+import { Component } from './arkui/component/customComponent';
+import { Builder } from './arkui/component/builder';
+
+/**
+ * @file Defines a panel to set the system audio output volume.
+ * @kit AudioKit
+ */
+
+/**
+ * Declare custom parameters used for volume panel.
+ *
+ * @syscap SystemCapability.Multimedia.Audio.Volume
+ * @atomicservice
+ * @since 22
+ */
+export declare class AVVolumePanelParameter {
+  /**
+   * Sets the position of volume panel.
+   *
+   * @syscap SystemCapability.Multimedia.Audio.Volume
+   * @atomicservice
+   * @since 22
+   */
+  position?: Position;
+}
+
+/**
+ * A panel to set the system audio output volume.
+ *
+ * @struct { AVVolumePanel }
+ * @syscap SystemCapability.Multimedia.Audio.Volume
+ * @atomicservice
+ * @since 22
+ */
+@Component
+export declare struct AVVolumePanel {
+  /**
+   * Sets the device volume through the volume panel.
+   * The value should be between mininum and maxinum current device volume, otherwise it will be discarded.
+   *
+   * @type { ?number }
+   * @syscap SystemCapability.Multimedia.Audio.Volume
+   * @atomicservice
+   * @since 22
+   */
+  @PropRef
+  volumeLevel?: number;
+
+  /**
+   * Sets the custom parameters of volume panel.
+   *
+   * @type { ?AVVolumePanelParameter }
+   * @syscap SystemCapability.Multimedia.Audio.Volume
+   * @atomicservice
+   * @since 22
+   */
+  @PropRef
+  volumeParameter?: AVVolumePanelParameter;
+
+  /**
+   * The method to build component.
+   * @syscap SystemCapability.Multimedia.Audio.Volume
+   * @atomicservice
+   * @since 22
+   */
+  @Builder
+  build(): void;
+}
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