adding new result_as_answer options

src/crewai_tools/tools/base_tool.py

@@ -22,6 +22,8 @@ class BaseTool(BaseModel, ABC):
     """Flag to check if the description has been updated."""
     cache_function: Optional[Callable] = lambda _args, _result: True
     """Function that will be used to determine if the tool should be cached, should return a boolean. If None, the tool will be cached."""
+    result_as_answer: bool = False
+    """Flag to check if the tool should be the final agent answer."""
 
     @validator("args_schema", always=True, pre=True)
     def _default_args_schema(cls, v: Type[V1BaseModel]) -> Type[V1BaseModel]: