---
title: dispatch_data_empty
framework: dispatch
role: symbol
role_heading: Macro
path: dispatch/dispatch_data_empty
---

# dispatch_data_empty

A dispatch data object representing a zero-length memory region.

## Declaration

```occ
#define dispatch_data_empty
```

## See Also

### Creating a Dispatch Data Object

- [dispatch_data_create](dispatch/dispatch_data_create.md)
- [dispatch_data_create_map](dispatch/dispatch_data_create_map.md)
- [dispatch_data_create_concat](dispatch/dispatch_data_create_concat.md)
- [dispatch_data_create_subrange](dispatch/dispatch_data_create_subrange.md)
- [dispatch_data_copy_region](dispatch/dispatch_data_copy_region.md)
- [dispatch_data_t](dispatch/dispatch_data_t.md)
- [OS_dispatch_data](dispatch/os_dispatch_data.md)
- [DISPATCH_DATA_DESTRUCTOR_DEFAULT](dispatch/dispatch_data_destructor_default.md)
- [DISPATCH_DATA_DESTRUCTOR_FREE](dispatch/dispatch_data_destructor_free.md)