aeron-archive/src/main/java/io/aeron/archive/client/ArchiveProxy.java
public boolean startRecording(
        final String channel,
        final int streamId,
        final SourceLocation sourceLocation,
        final long correlationId,
        final long controlSessionId)
    {
        startRecordingRequestEncoder
            .wrapAndApplyHeader(buffer, 0, messageHeaderEncoder)
            .controlSessionId(controlSessionId)
            .correlationId(correlationId)
            .streamId(streamId)
            .sourceLocation(sourceLocation)
            .channel(channel);

        return offer(startRecordingRequestEncoder.encodedLength());
    }
public boolean startRecording(
        final String channel,
        final int streamId,
        final SourceLocation sourceLocation,
        final long correlationId,
        final long controlSessionId)
    {
        startRecordingRequestEncoder
            .wrapAndApplyHeader(buffer, 0, messageHeaderEncoder)
            .controlSessionId(controlSessionId)
            .correlationId(correlationId)
            .streamId(streamId)
            .sourceLocation(sourceLocation)
            .channel(channel);

        return offer(startRecordingRequestEncoder.encodedLength());
    }
Start recording streams for a given channel and stream id pairing.

@param channel          to be recorded.
@param streamId         to be recorded.
@param sourceLocation   of the publication to be recorded.
@param correlationId    for this request.
@param controlSessionId for this request.
@return true if successfully offered otherwise false.