diff --git a/src/backend/langflow/api/v1/schemas.py b/src/backend/langflow/api/v1/schemas.py
index c50787b97..8da328195 100644
--- a/src/backend/langflow/api/v1/schemas.py
+++ b/src/backend/langflow/api/v1/schemas.py
@@ -4,12 +4,13 @@ from pathlib import Path
 from typing import Any, Dict, List, Optional, Union
 from uuid import UUID
 
+from pydantic import BaseModel, Field, field_serializer, field_validator
+
 from langflow.api.utils import serialize_field
 from langflow.services.database.models.api_key.model import ApiKeyRead
 from langflow.services.database.models.base import orjson_dumps
 from langflow.services.database.models.flow import FlowCreate, FlowRead
 from langflow.services.database.models.user import UserRead
-from pydantic import BaseModel, Field, field_serializer, field_validator
 
 
 class BuildStatus(Enum):
@@ -235,6 +236,7 @@ class ResultData(BaseModel):
 
 class VertexBuildResponse(BaseModel):
     id: Optional[str] = None
+    successors: Optional[List[str]] = Field(default_factory=list)
     valid: bool
     params: Optional[str]
     """JSON string of the params."""