Required. The ID of the advertiser the ad groups belongs to.

Optional. Allows filtering by custom ad group fields. Supported syntax: * Filter expressions are made up of one or more restrictions. * Restrictions can be combined by AND and OR. A sequence of restrictions implicitly uses AND. * A restriction has the form of {field} {operator} {value}. * All fields must use the EQUALS (=) operator. Supported properties: * adGroupId * displayName * entityStatus * lineItemId * adGroupFormat Examples: * All ad groups under an line item: lineItemId="1234" * All ENTITY_STATUS_ACTIVE or ENTITY_STATUS_PAUSED AD_GROUP_FORMAT_IN_STREAM ad groups under an advertiser: (entityStatus="ENTITY_STATUS_ACTIVE" OR entityStatus="ENTITY_STATUS_PAUSED") AND adGroupFormat="AD_GROUP_FORMAT_IN_STREAM" The length of this field should be no more than 500 characters. Reference our filter LIST requests guide for more information.

Optional. Field by which to sort the list. Acceptable values are: * displayName (default) * entityStatus The default sorting order is ascending. To specify descending order for a field, a suffix "desc" should be added to the field name. Example: displayName desc.

Optional. Requested page size. Must be between 1 and 200. If unspecified will default to 100. Returns error code INVALID_ARGUMENT if an invalid value is specified.

Optional. A token identifying a page of results the server should return. Typically, this is the value of next_page_token returned from the previous call to ListAdGroups method. If not specified, the first page of results will be returned.