claim lock
This block is part of the locking group and was last modified in core v15.0.0.
claim lock v12.0.4 Updated v15.0.0Tries to claim a lock and returns if it was successful or not
In pins 3 + flow
- flow
flow - key required
value - expiry (sec.)
numberExpiry in seconds to claim this lock.
- auto clear
v15.0.0conditionRelease this lock automatically when the flow ends : no separate free lock block needed.
Out pins 2 + flow
- flow
flow - success
condition - error
value
A typical wiring for claim lock: branch feeds the flow pin; concatenate values feeds the key pin; number feeds the expiry pin; the flow out pin feeds branch.

Commonly used with
In production blueprints, this block is most often wired together with:
- branch: wired in both directions with this block.
- concatenate values: feeds into this block.
- number: feeds into this block. Generates a valid number from the filled custom value in the blueprint.
- one hour: feeds into this block. Returns one hour in seconds as a number.
Used in these guides
These documentation pages use or explain this block:
Version history
Introduced in v12.0.4.
Last modified in v15.0.0.
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