code: public com.google.api.ads.adwords.axis.v201809.cm.AdvertisingChannelType getAdvertisingChannelType() {
          return advertisingChannelType;
      }
docs: Gets the advertisingChannelType value for this CampaignBidModifier.
  
  @return advertisingChannelType   * The advertising channel type of the campaign the criterion
  is in.
  <span class="constraint Selectable">This field can
  be selected using the value "AdvertisingChannelType".</span><span
  class="constraint Filterable">This field can be filtered on.</span>
  <span class="constraint ReadOnly">This field is read only and will
  be ignored when sent to the API.</span>