C++ "FIND_IF" & VECTORS

I have the following snippet below for a vector class. It's called "DDClass" Mainly, since it will handle my damage done on ships.

I get the following error:
2>..\sf\frontier\src\portcpp\DesignedClass.cpp(1669): error C3867: 'DesignedClass::FindCondition': function call missing argument list; use '&DesignedClass::FindCondition' to create a pointer to member


in my designedclass.h file:

      Vector<DDClass, short> ddamage;
      template <int T> bool FindCondition(const DDClass& damdone) { return damdone.shipid == T; }


and in designedclass.cpp file:

      if (Type() == ship) {
            if (find_if(ddamage.begin(), ddamage.end(), FindCondition<15>))
                  g_logFile << "FOUND" << endl;
            else {
                  g_logFile << "NOT FOUND" << endl;
            }
      }

And the main DDClass.h that hanldes the vector class (that is attached)
DDClass.h

#ifndef DDCLASS_H
#define DDCLASS_H

class DDClass {
public:
    int shipid;
    long damdone;
      long cframe;
      DDClass(){}
      DDClass(int sid, long dd, long f)
            : shipid(sid), damdone(dd), cframe(f){}
      void print()const{
            cout << shipid << ", " << damdone << " on frame: " << cframe << "\n";
      }
};

#endif

'15' is the shipid I want it to find, as a test. Mainly I think this is becuase of my custom vector class, but I am not sure how I can solve it/don't know what it wants me to exactly call. Does anyone have any clues? Mainly I want to search, and if not found, add it.

Thanks!

#include <vector>
#include <ostream>
using namespace std;

template<class T, class I> class Vector {
private:      
	std::vector<T> vec;
	std::ostream* err;
public:
	  Vector(void) {
            err = &g_logFile;
      }

      Vector(I i, ostream* o =&g_logFile) 
                     : vec(i, T()), err(o)
                {
      }

      ~Vector(){
            vec.clear();
      }

      int initializeWith(I i, ostream* o =&g_logFile) {
            vec.clear();
            vec.resize(i, T());
            err = o;
            return i == vec.size()? 0 : -1;
      }

      void _initialize() {
            vec.clear();
            err = &g_logFile;
      }

      void initialize() {
            vec.clear();
            err = &g_logFile;
      }

      void destroy(){
            vec.clear();
			vec.swap( vec );
	  }

	  Vector<T,I>& operator=(const Vector<T,I>& a) {
            if (this != &a) {
                  vec = a.vec;
                  err = a.err;
            }
            return *this;
      }

	void extendBy(I i) 
	{
		vec.resize(vec.size()+i, T()); //No return with resize.
	}

	void add(T& t) {
		extendBy(1);
		vec[vec.size()-1] = t;
	}

	T* begin() {
		return vec.begin();
	}

	T* end() {
		return vec.end();
	}

	inline I size() const{
		return vec.size();
	}

etc..

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