> ## 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.

# Rule

## Fields

| Field      | Type                                                                                                            | Required             | Description |
| ---------- | --------------------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `Field`    | [components.Field](../../models/components/field.mdx)                                                           | :heavy\_check\_mark: | N/A         |
| `Operator` | [components.Operator](../../models/components/operator.mdx)                                                     | :heavy\_check\_mark: | N/A         |
| `Value`    | [\*components.ObservabilityFilterRuleGroupValue](../../models/components/observabilityfilterrulegroupvalue.mdx) | :heavy\_minus\_sign: | N/A         |