# AddToListAttributeAction **Type**: `object` ## Properties - name: order (optional) type: integer description: Action order. Lower is applied first. - name: targetPath (required) type: string description: The path to the list to add to. - name: type (required) type: enum: `attribute-add-action` description: Add values to a list in event attributes. If the target list is not present, it is created. If the target is present and not a list, it's a no-op. - name: value (required) type: `Any`