Arguments
The key of the stream.
The consumer group name.
The minimum pending ID to return (use with end and count).
The maximum pending ID to return (use with start and count).
The maximum number of pending messages to return.
Filter results by a specific consumer.
Filter by minimum idle time in milliseconds.
Response
When called without range arguments, returns a summary with total count and range info.
When called with range arguments, returns detailed pending message information.