# AgentRuntimeTelemetryProperties

Package: `@threadplane/chat` · 0.3.4

Reference: /docs/api/chat/AgentRuntimeTelemetryProperties

```typescript
import type { AgentRuntimeTelemetryProperties } from '@threadplane/chat';
```

## AgentRuntimeTelemetryProperties

Transport and optional request, model, timing, and error details attached to runtime telemetry.

```typescript
export interface AgentRuntimeTelemetryProperties  {
  durationMs?: number;
  errorClass?: string;
  model?: string;
  provider?: string;
  requestType?: string;
  surface?: string;
  transport: 'langgraph' | 'ag-ui' | 'custom' | string;
}
```

### durationMs

```typescript
durationMs?: number;
```

### errorClass

```typescript
errorClass?: string;
```

### model

```typescript
model?: string;
```

### provider

```typescript
provider?: string;
```

### requestType

```typescript
requestType?: string;
```

### surface

```typescript
surface?: string;
```

### transport

```typescript
transport: 'langgraph' | 'ag-ui' | 'custom' | string;
```