XGROUP CREATECONSUMER key groupname consumername
Available since: 6.2.0
Time complexity: O(1)
ACL categories:
@write
@stream
@slow
Create a consumer named <consumername> in the consumer group <groupname> of the stream that’s stored at <key>.
Consumers are also created automatically whenever an operation, such as XREADGROUP, references a consumer that doesn’t exist.
@return
@integer-reply: the number of created consumers (0 or 1)