react-native - 如何静音视频广告？firebase admob 反应原生

Question

我有广告模块 firebase-admob。我想在显示视频广告时禁用音量。现在

const interstitial = InterstitialAd.createForAdRequest(adUnitId, {
requestNonPersonalizedAdsOnly: true,});
interstitial.load();
interstitial.show();

在这里配置：

    admob()
        .setRequestConfiguration({
            // Update all future requests suitable for parental guidance
            maxAdContentRating: MaxAdContentRating.G,
            
          
            

            // Indicates that you want your content treated as child-directed for purposes of COPPA.
            tagForChildDirectedTreatment: true,

            // Indicates that you want the ad request to be handled in a
            // manner suitable for users under the age of consent.
            tagForUnderAgeOfConsent: true,
        })
        .then(() => {
        });

我希望默认静音视频广告。如果可能的话，我该怎么做？