> For the complete documentation index, see [llms.txt](https://docs.kognitos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kognitos.com/legacy/legacy-experience/books/custom-books/api-reference/enums/filterunaryoperator-enum.md).

# FilterUnaryOperator

## Enum Definition

```python
from enum import Enum

class FilterUnaryOperator(Enum):
    """Represents the unary operators used in filtering procedures."""
    NOT = 0
```

## Enum Members

| Member | Value | Description                                |
| ------ | ----- | ------------------------------------------ |
| `NOT`  | `0`   | Logical NOT operator, negates a condition. |