---
title: getLength
framework: Kernel
role: symbol
role_heading: Instance Method
platforms: [driverkit 19.0+, macOS 10.15+]
path: kernel/osdata/3180881-getlength
---

# getLength

Returns length of data present.

## Declaration

```occ
size_t getLength(void);
```

```occ
virtual unsigned int getLength(void);
```

## Return Value

Return Value length of data present.

## See Also

### Inspecting a Data Object

- [getCapacity](kernel/osdata/3180880-getcapacity.md)