is empty
This block is part of the condition group and was last modified in core v10.4.28.
is empty v10.4.28 checks if the array is empty
In pins 1
- Array required
arrayThe array to be checked.
Out pins 1
- condition
conditionThe condition that tells if the given array is empty or not.
True when the array pin is nil/missing, not an array, or an array with zero elements; false when it holds at least one element. Element values are irrelevant: an array containing only nulls is NOT empty.
A typical wiring for is empty: find by key - value feeds the array pin; the condition out pin feeds branch.
Commonly used with
In production blueprints, this block is most often wired together with:
- branch: this block feeds into it.
- find by key - value: feeds into this block. Returns the matching objects for the given key value pair.
- cast to array: feeds into this block. Converts your given file to an array.
Version history
Introduced in v10.4.28.
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