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title: Dynamsoft Document Viewer API Reference - Interface InfoOjbect
keywords: Documentation, Dynamsoft Document Viewer, API Reference, Interface InfoObject
breadcrumbText: Interface InfoObject
description: Dynamsoft Document Viewer Documentation API Reference Interface InfoObject Page
---

# InfoObject

```typescript
interface InitInfo {}

interface LoadWasmInfo {}

interface LoadSourceInfo {
    docUid: string;
    /** Number of documents processed so far */
    processed: number;
    /** Total number of documents to process */
    total: number;
}

interface SaveSourceInfo {
    docUid: string;
    pageUids: [];
    /** Number of pages processed so far */
    processed: number;
    /** Total number of pages to process */
    total: number;
}

interface FilterInfo {
    pageUid: string;
    filterType: string;
}

interface PerspectiveInfo {
    pageUid: string;
    perspectiveQuad: Quad;
}

interface PrintPreparationInfo { 
    docUid: string; 
    /** Number of pages processed so far */
    processed: number; 
    /** Total number of pages to process */
    total: number; 
} 

interface InfoDetailsMap {
    init: InitInfo;
    loadSource: LoadSourceInfo;
    save: SaveSourceInfo;
    filter: FilterInfo;
    perspective: PerspectiveInfo;
    loadWasm: LoadWasmInfo;
    printPreparation: PrintPreparationInfo;
}

type InfoStatus =
    | "Pending"
    | "InProgress"
    | "Completed"
    | "Failed"

interface InfoObject<K extends keyof InfoDetailsMap> {
    id: number;
    type: K;
    status: InfoStatus;
    timestamp: number;
    details?: InfoDetailsMap[K];
}
```

## Attributes

### id

Numeric event identifier.

### type

Indicates the task type of the event. Must be one of the following events, in one of its possible statuses:

| Event \ Status | `Pending` | `InProgress` | `Completed` | `Failed` |
| -------------- | --------- | ------------ | ----------- | -------- |
| `init`         | ✓         |              | ✓           | ✓        |
| `loadSource`   | ✓         | ✓            | ✓           | ✓        |
| `save`         | ✓         | ✓            | ✓           | ✓        |
| `filter`       | ✓         |              | ✓           | ✓        |
| `perspective`  | ✓         |              | ✓           | ✓        |
| `loadWasm`     | ✓         |              | ✓           | ✓        |
| `printPreparation`     | ✓         |✓            | ✓           | ✓        |

### status

Indicates the status of the task. Can only be one of the following:

- `Pending`
- `InProgress`
- `Completed`
- `Failed`

### details

Contains additional event type-specific info.

## See Also

[`DDV.on("info")`](https://www.dynamsoft.com/document-viewer/docs/api/namespace/ddv.md#info)