> ## 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"; let value: Operator = { name: "eq", valueType: "array", }; ``` ## Fields | Field | Type | Required | Description | Example | | - | - | - | - | - | | `name` | [models.OperatorName](../models/operatorname.mdx) | ✔️ | Operator identifier used in filter definitions | eq | | `valueType` | [models.ValueType](../models/valuetype.mdx) | ✔️ | Whether the operator expects a single value or an array | |