SessionProperties.CompressionLevel Property

Enables messages to be compressed with ZLIB before transmission and decompressed on receive. The valid range is 0 (off), or 1..9, where 1 is less compression (fastest) and 9 is most compression (slowest). Compression is only supported when the session is connected to an appliance running SolOS-TR. Default: 0 (no compression)

public int CompressionLevel { get; set; }