BZPOPMIN

BZPOPMIN key [key ...] timeout

#Example

redis> DEL zset1 zset2
(integer) 0
redis> ZADD zset1 0 a 1 b 2 c
(integer) 3
redis> BZPOPMIN zset1 zset2 0
1) "zset1"
2) "a"
3) "0"

Remove and return the member with the lowest score from one or more sorted sets, or block until one is available