setInterstitialExtraParameter static method
Sets an extra parameter to the interstitial ad with the specified adUnitId
.
Implementation
static void setInterstitialExtraParameter(String adUnitId, String key, String value) {
channel.invokeMethod('setInterstitialExtraParameter', {
'ad_unit_id': adUnitId,
'key': key,
'value': value,
});
}