code: func (o *LaunchSpecification) SetIPForwarding(v *bool) *LaunchSpecification {
  	if o.IPForwarding = v; o.IPForwarding == nil {
  		o.nullFields = append(o.nullFields, "IPForwarding")
  	}
  	return o
  }
docs: // SetIPForwarding sets whether to use IP forwarding for this group.