# `Ash.Query.Operator.IsNil`
[🔗](https://github.com/ash-project/ash/blob/v3.27.8/lib/ash/query/operator/is_nil.ex#L5)

left is_nil true/false

This predicate matches if the left is nil when the right is `true` or if the
left is not nil when the right is `false`

# `name`

# `operator`

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*Consult [api-reference.md](api-reference.md) for complete listing*