> ## 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 ## Example Usage ```typescript theme={null} import { Operator } from "@openrouter/sdk/models/operations"; let value: Operator = { name: "eq", valueType: "array", }; ``` ## Fields | Field | Type | Required | Description | Example | | ----------- | ------------------------------------------------------------------- | -------------------- | ------------------------------------------------------- | ------- | | `name` | [operations.OperatorName](../../models/operations/operatorname.mdx) | :heavy\_check\_mark: | Operator identifier used in filter definitions | eq | | `valueType` | [operations.ValueType](../../models/operations/valuetype.mdx) | :heavy\_check\_mark: | Whether the operator expects a single value or an array | |