Use HasMatchingGameplayTag

[Vahid]

#include “GameplayTagAssetInterface.h”
#include “BlueprintGameplayTagLibrary.h”

            AYourClass::YourFunction(FGameplayTag BaseTag, UObject* NewObject,
            	FGameplayTag DefaultTag, const FGameplayTagContainer& NewTags)
            {
            	IGameplayTagAssetInterface* TempInterface = Cast<IGameplayTagAssetInterface>(NewObject);
            	if (TempInterface)
            	   {
            	      if(UBlueprintGameplayTagLibrary::IsGameplayTagValid(DefaultTag))
                      {
                         if (TempInterface->HasMatchingGameplayTag(BaseTag))
        		         {
        			            return true;    		
                         }
                     }
        	      }
        	return false;
           }