public void setUserDomainSegment(com.google.api.ads.admanager.axis.v201808.UserDomainTargeting userDomainSegment) {
        this.userDomainSegment = userDomainSegment;
    }
public void setUserDomainSegment ( com . google . api . ads . admanager . axis . v201808 . UserDomainTargeting userDomainSegment ) { this . userDomainSegment = userDomainSegment ; }
Sets the userDomainSegment value for this ProductSegmentation.

@param userDomainSegment   * The user domain segmentation. {@link UserDomainTargeting#isTargeted}
must be {@code true}.

<p>This attribute is optional.