def METHOD_NAME(self, time_point=0):
    if hasattr(self, "split_fraction"):
        var_dict = {}
        for k in self.split_fraction.keys():
            if k[0] == time_point:
                var_dict[f"Split Fraction [{str(k[1:])}]"] = self.split_fraction[k]
        return {"vars": var_dict}
    else:
        return None