vertx / io.vertx.redis / RedisTransaction / blpop

# blpop

`abstract fun blpop(key: String, seconds: Int, handler: Handler<AsyncResult<String>>): RedisTransaction`

Remove and get the first element in a list, or block until one is available

### Parameters

`key` - Key string identifying a list to watch

`seconds` - Timeout in seconds

`handler` - Handler for the result of this call.

Since
Redis 2.0.0 group: list