Message Queue for Apache RocketMQ provides the .NET SDK to send and consume messages. This topic describes the parameters for sending and consuming messages.

Parameter Description
NAMESRV_ADDR The TCP endpoint, which can be obtained from the Instances page in the Message Queue for Apache RocketMQ console.
AccessKey The AccessKey ID that you created in the Alibaba Cloud console for identity authentication.
SecretKey The AccessKey secret that you created in the Alibaba Cloud console for identity authentication.
OnsChannel The user channel, which is ALIYUN by default and CLOUD for CloudTmall users.

Parameters for sending messages

Parameter Description
ProducerId The group ID that you created in the Message Queue for Apache RocketMQ console. For more information, see Terms.
SendMsgTimeoutMillis The message transmission timeout period in milliseconds. Default value: 3000.
shardingKey (for ordered messages) The sharding key for ordered messages.

Parameter for consuming messages

Parameter Description
ConsumerId The group ID that you created in the Message Queue for Apache RocketMQ console. For more information, see Terms.
MessageModel The message consumption model of a consumer instance. Valid values are as follows:
  • CLUSTERING (default value): indicates clustering consumption.
  • BROADCASTING: indicates broadcasting consumption.
ConsumeThreadNums The number of consumption threads for a consumer instance. Default value: 20.

References