> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Operator

## Fields

| Field        | Type                                                      | Required             | Description                                             | Example |
| ------------ | --------------------------------------------------------- | -------------------- | ------------------------------------------------------- | ------- |
| `name`       | [operations.OperatorName](../operations/operatorname.mdx) | :heavy\_check\_mark: | Operator identifier used in filter definitions          | eq      |
| `value_type` | [operations.ValueType](../operations/valuetype.mdx)       | :heavy\_check\_mark: | Whether the operator expects a single value or an array |         |