simulation not defined in this module.OMNETPP error

[Yogendra Sharma]

1 class BloreStatisticsAccess

2 {

3 public:

4 BloreStatisticsAccess() {

5 }

6 BloreStatistics* getIfExists() {

7 return dynamic_cast<BloreStatistics*>(simulation.getModuleByPath("stats"));

8 }

9 };

10 #endif

 i am getting error at line number 7 as simulation not defined in this module.please help me to resolve this error ASAP.