# bool Query::IsEmpty()

[Family: Query](/imperivm/en/CKS/familias/query/)

## Exact signature

```text
bool Query::IsEmpty()
```

## Description

Returns whether a resolved Query's virtual emptiness predicate is nonzero, with true for an invalid receiver.

## Parameters and return type

**Return type:** `bool`

The member is called on an object. Its receiver is not repeated among this signature’s arguments.

This signature takes no additional arguments.

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