Once you've applied a native style to a specific line item, you can add and configure creatives as you normally would, with the following updates for native ads:
Ad Exchange line items
- From the line item settings, click the Creatives tab.
- Click Automatically generate creative.
All other line items
- From the line item settings, click the Creatives tab.
- Click Automatically generate creative.
- Click Add creative.
- Click New creative or Existing creative.
- Click a native format where you've added native styles.
- In the "User-defined variables" section, enter settings for the variables, which were defined in the native format you selected.
- Configure creative settings as needed and click Save.