> ## 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.

# Create Negative Keyword List

> Create a shared negative keyword list in a Microsoft Ads account, optionally seeded with keywords

Create a shared negative keyword list in a Microsoft Ads account, optionally seeded with keywords.

| | |
| - | - |
| **App** | Microsoft Ads |
| **Operation ID** | `microsoft_ads_create_negative_keyword_list` |
| **Type** | Action |
| **Connection** | `microsoft_ads` (required) |
| **Credits per run** | 1 |
| **Agent / MCP tool** | Yes |
| **Requires approval** | Yes (write operation) |

## Inputs

| Field | Type | Required | Default | Description |
| - | - | - | - | - |
| `account` | object or array of object or MicrosoftAdsAccountItem or string or integer | Yes | - | Select the Microsoft Ads account to create the negative keyword list in. |
| `list_name` | string | Yes | - | Name for the new negative keyword list (must be unique within the account). |
| `keywords` | array (also accepts a comma-separated string) | No | - | Optional negative keywords to seed the list with, as structured data: a list of objects each with 'keyword' (the text) and 'match\_type' ('Exact' or 'Phrase'). Up to 5,000 per call. |

### MicrosoftAdsAccountItem

| Field | Type | Required | Default | Description |
| - | - | - | - | - |
| `value` | string | Yes | - | |
| `label` | string | Yes | - | |
| `customerId` | string | No | - | The Microsoft Ads customer ID used for REST CustomerId headers. If omitted, it is resolved from the account ID. |

## Output

**Type**: `Dict`

Returns the created Microsoft Ads negative keyword list ID and seeded keyword count.

**Fields**: `message`, `list_id`, `list_name`, `keywords_added_count`


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