code: public com.google.api.ads.adwords.axis.v201809.cm.MinuteOfHour getStartMinute() {
          return startMinute;
      }
docs: Gets the startMinute value for this AdSchedule.
  
  @return startMinute   * Interval starts these minutes after the starting hour.
  The value can be 0, 15, 30, and 45.
  <span class="constraint Selectable">This field
  can be selected using the value "StartMinute".</span>
  <span class="constraint ReadOnly">This field is
  read only and will be ignored when sent to the API for the following
  {@link Operator}s: REMOVE and SET.</span>
  <span class="constraint Required">This field is
  required and should not be {@code null} when it is contained within
  {@link Operator}s : ADD.</span>