Hi,
Thank you for reaching out to Google Ads API Forum.
Moving forward with your concern, a Campaign’s campaign type is defined by the advertising_channel_type field. You may see the AdvertisingChannelType enum for the available campaign types in Google Ads API. For an overview in Campaign Management, you may refer to the Campaigns overview guide. Additionally if it helps, you may also check the Display Expansion on Search campaigns code example, for your reference.
Let us know if you have further questions.
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Regards,
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Google Ads API Team |