> ## 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.

# List Report Fields

> Search and browse available X (Twitter) Ads reporting metrics and dimensions before running reports

Search and browse available X (Twitter) Ads reporting metrics and dimensions before running reports. Use filters to search fields by name or ID e.g \[\{'field':'id','operator':'REGEXP\_MATCH','value':'.*(cost|video).*'}].

|                      |                            |
| -------------------- | -------------------------- |
| **App**              | X Ads                      |
| **Operation ID**     | `x_ads_list_report_fields` |
| **Type**             | Action                     |
| **Connection**       | None                       |
| **Credits per run**  | Free                       |
| **Agent / MCP tool** | Yes                        |

## Inputs

| Field        | Type                       | Required | Default | Description                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ------------ | -------------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `field_type` | string or SelectableOption | No       | `all`   | Filter by field type: 'all', 'dimension', or 'metric'. Default is 'all'.                                                                                                                                                                                                                                                                                                                                                                          |
| `filters`    | array of FilterItem        | No       | -       | Use this to search fields by name or ID. Each filter must have a field, operator, and value. Available fields to filter by are: - 'id': The field ID  \[\{"field":"id","operator":"REGEXP\_MATCH","value":".*(session\|user).*"}] - 'name': The field name \[\{"field":"name","operator":"CONTAINS","value":"session"}] Filters are combined using AND logic. If you want to use OR logic, use relevant operators like REGEXP\_MATCH or IN\_LIST. |
| `limit`      | integer                    | No       | -       | The maximum number of fields to return. Set it to avoid too many results.                                                                                                                                                                                                                                                                                                                                                                         |

### FilterItem

| Field      | Type                       | Required | Default | Description                                                                                                                                                   |
| ---------- | -------------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `field`    | string or SelectableOption | Yes      | -       | The field to filter on, must be one of the current selected metrics or dimensions.                                                                            |
| `operator` | string                     | Yes      | -       | The operator to use for filtering. Must be one of the supported values. Use REGEXP\_MATCH to search/filter by multiple OR values like '.*(summer\|holiday).*' |
| `value`    | string                     | Yes      | -       | The value to filter by. Can be a string, number, regex, or a list of strings.                                                                                 |

### SelectableOption

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

## Output

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

Returns list of available report fields.

**Fields**: `id`, `name`, `type`, `data_type`