---
title: isEmpty
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmreadonlydatablockbuffer/isempty
---

# isEmpty

Indicates whether the block buffer is empty.

## Declaration

```swift
var isEmpty: Bool { get }
```

## Discussion

Discussion Indicates whether the block buffer is empty, i.e., devoid of any memory blocks or block buffer references. Note that a block buffer containing a not-yet allocated memory block is not considered empty.