The AdWords API will sunset on April 27, 2022. Migrate to the Google Ads API to take advantage of the latest Google Ads features.

enum CustomerMatchUploadKeyType (v201809)

Enum to indicate what type of data are the user list's members matched from.

Enumeration Description
CONTACT_INFO Members are matched from customer info such as email address, phone number or physical address.
CRM_ID Members are matched from advertiser generated and assigned user id.
MOBILE_ADVERTISING_ID Members are matched from mobile advertising ids.