bf exists
This block is part of the redis group and was last modified in core v14.0.4.
Redis Key Selection Required
This block relies on a Redis key to perform its redis releated actions. You must manually select the Redis key you want to use in the flow in the blueprint using the Redis key selector modal. To access the modal, click the white button on the block.
bf exists v14.0.4 Check if an item may exist in a Bloom filter. Returns true if the item may exist (with the configured false-positive rate), false if it definitely does not exist.
In pins 1 + flow
- flow
flow - value required
valuethe item to check in the Bloom filter.
Out pins 4 + flow
- flow
flow - exists
conditionReturns
trueif the item may exist,falseif it definitely does not. - success
condition - error
value - key
value
redis bf.exists |
bf.exists |
bloom exists |
A typical wiring for bf exists: a function trigger starts the flow; value feeds the value pin; the flow out pin feeds debug.

Version history
Introduced in v14.0.4.
Service documentation
External API reference This block wraps a third-party service. Click here for the service's own documentation of the underlying endpoint.Back to
redis Return to the main group to view all sub-groups Back to redis bloom Return to the group to view all blocks within this group
