code: func expandVmwareUplinkPortTeamingPolicy(d *schema.ResourceData) *types.VmwareUplinkPortTeamingPolicy {
  	obj := &types.VmwareUplinkPortTeamingPolicy{
  		Policy:          structure.GetStringPolicy(d, "teaming_policy"),
  		NotifySwitches:  structure.GetBoolPolicy(d, "notify_switches"),
  		RollingOrder:    structure.GetBoolPolicyReverse(d, "failback"),
  		FailureCriteria: expandDVSFailureCriteria(d),
  		UplinkPortOrder: expandVMwareUplinkPortOrderPolicy(d),
  	}
  
  	if structure.AllFieldsEmpty(obj) {
  		return nil
  	}
  	return obj
  }
docs: // expandVmwareUplinkPortTeamingPolicy reads certain ResourceData keys and
  // returns a VmwareUplinkPortTeamingPolicy.