For standard ad metadata, create a dictionary of standard ad metadata key value pairs using the keys for your platform:
standardAdMetadata = {}
standardAdMetadata[ADBMobile().MEDIA_AdMetadataKeyCAMPAIGN_ID] = "sample campaign"
standardAdMetadata[ADBMobile().MEDIA_AdMetadataKeyADVERTISER] = "sample advertiser"
adInfo[ADBMobile().MEDIA_STANDARD_AD_METADATA] = standardAdMetadata