const request = {
        uid: '999',
        cname: `${channelName}`,
        clientRequest: {
        token: EventService.getRecordingToken(channelName),//tocken of 999
        recordingConfig: {
             maxIdleTime: 120,
             streamTypes: 2,
             channelType: 0,
             videoStreamType: 0,
             subscribeVideoUids: [idsToUse.uId + ""],
             subscribeAudioUids: [idsToUse.uId + ""],
             subscribeUidGroup: 0
        },
        recordingFileConfig: {
             avFileType: ["hls"]
        },
        storageConfig: {
             accessKey: process.env.AZURE_ACCESS_KEY,
             region: 3,//The region parameter has no effect, whether or not it is set.(Ref:https://docs.agora.io/en/cloud-recording/cloud_recording_api_rest?platform=RESTful)
             bucket: `${process.env.AZURE_CONTAINER_NAME}`,
             secretKey: process.env.AZURE_SECRET_KEY,
             vendor: 5
       }
     }
  };

This is my start recording configurations for individual recording for a livestream for my app. By this I got 2 files one is .audio.m3u8 and 2nd is .video.m3u8 but my requirement is only one file with both audio and video in it. Can anyone help me in this regard?