> ## Documentation Index
> Fetch the complete documentation index at: https://docs.markifact.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Change History

> Gets the change history of an Amazon Ads profile: who changed what and when across campaigns, ad groups, ads, and targets

Gets the change history of an Amazon Ads profile: who changed what and when across campaigns, ad groups, ads, and targets.

|                      |                                 |
| -------------------- | ------------------------------- |
| **App**              | Amazon Ads                      |
| **Operation ID**     | `amazon_ads_get_change_history` |
| **Type**             | Action                          |
| **Connection**       | `amazon_ads` (required)         |
| **Credits per run**  | 1                               |
| **Agent / MCP tool** | Yes                             |

## Inputs

| Field         | Type                                                    | Required | Default                                              | Description                                                                                                                                                                        |
| ------------- | ------------------------------------------------------- | -------- | ---------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `account`     | DynamicAccount                                          | Yes      | -                                                    | Select the Amazon Ads profile to get change history for.                                                                                                                           |
| `event_types` | array of string or SelectableOption                     | No       | -                                                    | Entity types to get change events for: CAMPAIGN, AD\_GROUP, AD, KEYWORD, NEGATIVE\_KEYWORD, PRODUCT\_TARGETING. Defaults to CAMPAIGN when omitted.                                 |
| `time_range`  | string or SelectableOption                              | No       | `{'value': 'last_30_days', 'label': 'Last 30 days'}` | Time period for the change history. Options: last\_90\_days, last\_30\_days, last\_14\_days, last\_7\_days, today, yesterday. Amazon keeps up to 90 days. Default: last\_30\_days. |
| `entity_ids`  | array of string (also accepts a comma-separated string) | No       | -                                                    | Optional entity IDs to filter by, matching the selected event types (for example campaign IDs for CAMPAIGN). Up to 10.                                                             |
| `limit`       | integer                                                 | No       | `200`                                                | Maximum number of change events to return. Default: 200.                                                                                                                           |

### SelectableOption

| Field   | Type   | Required | Default | Description |
| ------- | ------ | -------- | ------- | ----------- |
| `value` | string | Yes      | -       |             |
| `label` | string | Yes      | -       |             |

## Output

**Type**: `List[Dict]`

Returns the raw list of change events.