# bool Unit::InHolder()

[Family: Unit](/imperivm/en/CKS/familias/unit/)

## Exact signature

```text
bool Unit::InHolder()
```

## Description

Checks whether the resolved Unit records a holder reference different from the invalid-reference sentinel.

## 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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