> ## 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.

# Duplicate Line Item

> Duplicates a DV360 line item within the same insertion order, copying its settings and assigned targeting, and returns the new line item ID

Duplicates a DV360 line item within the same insertion order, copying its settings and assigned targeting, and returns the new line item ID. The copy is created as a draft. YouTube & Partners line items cannot be duplicated.

|                       |                             |
| --------------------- | --------------------------- |
| **App**               | DV360                       |
| **Operation ID**      | `dv360_duplicate_line_item` |
| **Type**              | Action                      |
| **Connection**        | `dv360` (required)          |
| **Credits per run**   | 2                           |
| **Agent / MCP tool**  | Yes                         |
| **Requires approval** | Yes (write operation)       |

## Inputs

| Field                       | Type                       | Required | Default | Description                                                                                                                                                                                                                                                                                       |
| --------------------------- | -------------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `account`                   | DynamicAccount             | Yes      | -       | Select the DV360 advertiser that owns the line item.                                                                                                                                                                                                                                              |
| `line_item_id`              | string or SelectItem       | Yes      | -       | ID of the DV360 line item to duplicate. The copy is created in the same insertion order with the source settings and targeting. YouTube & Partners line items cannot be duplicated.                                                                                                               |
| `target_display_name`       | string                     | No       | -       | Display name for the new line item (max 240 bytes UTF-8). When omitted, DV360 assigns a default copy name.                                                                                                                                                                                        |
| `contains_eu_political_ads` | string or SelectableOption | No       | -       | Whether the new line item will serve EU political ads. Options: 'CONTAINS\_EU\_POLITICAL\_ADVERTISING', 'DOES\_NOT\_CONTAIN\_EU\_POLITICAL\_ADVERTISING'. Required by DV360 unless the parent advertiser is already set to DOES\_NOT\_CONTAIN\_EU\_POLITICAL\_ADVERTISING (then it is inherited). |

### SelectItem

| Field   | Type   | Required | Default | Description                                                                                          |
| ------- | ------ | -------- | ------- | ---------------------------------------------------------------------------------------------------- |
| `value` | string | Yes      | -       | The value of the selectable item.                                                                    |
| `label` | string | Yes      | -       | The label of the selectable item, used for display purposes. If not provided, defaults to the value. |

### SelectableOption

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

## Output

**Type**: `Dict`

Returns the new duplicate line item ID.

**Fields**: `duplicate_line_item_id`, `source_line_item_id`, `advertiser_id`