Update conditional paths in BranchComponent and ShouldRunNext

src/backend/langflow/components/utilities/Branch.py

@@ -6,11 +6,11 @@ from langflow.schema import Decision
 class BranchComponent(CustomComponent):
     display_name: str = "Branch Component"
     documentation: str = "http://docs.langflow.org/components/custom"
-    is_conditional = True
+    conditional_paths: list[str] = ["True", "False"]
 
     def build_config(self):
         return {"param": {"display_name": "Parameter"}}
 
     def build(self, param: Text) -> Text:
 
-        return Decision(path=True, result=param)
+        return Decision(path="True", result=param)

src/backend/langflow/components/utilities/ShouldRunNext.py

@@ -49,6 +49,9 @@ class ShouldRunNext(CustomComponent):
             )
         # The string should be the words true or false
         # if not raise an error
-        bool_result = result.lower() == "true"
+        if result.lower() not in ["true", "false"]:
+            raise ValueError(
+                "The prompt should generate a boolean response (True or False)."
+            )
 
-        return Decision(path=bool_result, result=kwargs)
+        return Decision(path=result, result=kwargs)

src/backend/langflow/interface/custom/attributes.py

@@ -31,6 +31,12 @@ def getattr_return_bool(value):
         return value
 
 
+def getattr_return_list_of_str(value):
+    if isinstance(value, list):
+        return [str(val) for val in value]
+    return []
+
+
 ATTR_FUNC_MAPPING: dict[str, Callable] = {
     "display_name": getattr_return_str,
     "description": getattr_return_str,
@@ -40,5 +46,5 @@ ATTR_FUNC_MAPPING: dict[str, Callable] = {
     "pinned": getattr_return_bool,
     "is_input": getattr_return_bool,
     "is_output": getattr_return_bool,
-    "is_conditional": getattr_return_bool,
+    "conditional_paths": getattr_return_list_of_str,
 }

src/backend/langflow/interface/custom/custom_component/custom_component.py

@@ -66,8 +66,8 @@ class CustomComponent(Component):
     """The selected output type of the component. Defaults to None."""
     vertex: Optional["Vertex"] = None
     """The edge target parameter of the component. Defaults to None."""
-    is_conditional: Optional[bool] = False
+    conditional_paths: Optional[List[str]] = None
-    """The conditional state of the component. Defaults to False."""
+    """The conditional paths of the component. Defaults to None."""
     code_class_base_inheritance: ClassVar[str] = "CustomComponent"
     function_entrypoint_name: ClassVar[str] = "build"
     function: Optional[Callable] = None

src/backend/langflow/schema.py

@@ -1,7 +1,7 @@
 from typing import Any
 
 from langchain_core.documents import Document
-from pydantic import BaseModel
+from pydantic import BaseModel, field_validator
 
 
 class Record(BaseModel):
@@ -79,9 +79,24 @@ class Decision(BaseModel):
     Represents a decision made in the Graph.
 
     Attributes:
-        path (bool): The path taken in the Graph.
+        path (str): The path to take as a result of the decision.
         result (dict): The result of the decision.
     """
 
-    path: bool
+    path: str
     result: Any
+
+    @field_validator("path")
+    def validate_path(cls, value: str) -> str:
+        """
+        Validates the path.
+
+        Args:
+            value (str): The path to validate.
+
+        Returns:
+            str: The validated path.
+        """
+        if isinstance(value, str):
+            return value
+        return str(value)

src/backend/langflow/template/frontend_node/base.py

@@ -73,9 +73,8 @@ class FrontendNode(BaseModel):
     """Field formatters for the frontend node."""
     pinned: bool = False
     """Whether the frontend node is pinned."""
-    is_conditional: bool = False
+    conditional_paths: List[str] = []
-    """Whether the frontend node is conditional. This is used for the frontend node to show two output handles."""
+    """List of conditional paths for the frontend node."""
-
     beta: bool = False
     error: Optional[str] = None