CampaignServiceAppOsType is a setting that allows you to adjust ads to be served or not, depending on the user. In ADD operation, this field will be ignored when campaignType is \'STANDARD\' or \'DYNAMIC_ADS_FOR_SEARCH_SETTING\', and is required when campaignType is MOBILE_APP.
ADD時、campaignTypeがSTANDARD、またはDYNAMIC_ADS_FOR_SEARCH_SETTINGの場合、無視され、MOBILE_APPの場合、必須となります。
In ADD operation, this field will be ignored when campaignType is \'STANDARD\' or \'DYNAMIC_ADS_FOR_SEARCH_SETTING\', and is required when campaignType is MOBILE_APP.