EMA C++ Configuration Guide : 3 Configuration Groups : 3.4 Channel Group : 3.4.6 Parameters for Use with Channel Types: RSSL_WEBSOCKET
 
3.4.6 Parameters for Use with Channel Types: RSSL_WEBSOCKET
In addition to the universal parameters listed in Section 3.4.2, you can use the following parameters to configure a channel whose type is RSSL_WEBSOCKET. A RSSL_WEBSOCKET channel does not support the LZ4 compression type.
 
Table 11: Parameters for Channel Types: RSSL_WEBSOCKET
Parameter Name
Type
Default
Notes
WsMaxMsgSize
UInt64
61440
Specifies the maximum size of messages that the WebSocket transport can send or read.
WsProtocols
EmaString
tr_json2, rssl.rwf, rssl.json.v2
Specifies a list of supported/preferred protocols in order of preference from highest to lowest.