Add input_value parameter to chain components

src/backend/langflow/components/chains/ConversationChain.py

@@ -18,7 +18,10 @@ class ConversationChainComponent(CustomComponent):
                 "display_name": "Memory",
                 "info": "Memory to load context from. If none is provided, a ConversationBufferMemory will be used.",
             },
-            "code": {"show": False},
+            "input_value": {
+                "display_name": "Input Value",
+                "info": "The input value to pass to the chain.",
+            },
         }
 
     def build(

src/backend/langflow/components/chains/LLMChain.py

@@ -20,7 +20,6 @@ class LLMChainComponent(CustomComponent):
             "prompt": {"display_name": "Prompt"},
             "llm": {"display_name": "LLM"},
             "memory": {"display_name": "Memory"},
-            "code": {"show": False},
         }
 
     def build(

src/backend/langflow/components/chains/LLMCheckerChain.py

@@ -12,6 +12,10 @@ class LLMCheckerChainComponent(CustomComponent):
     def build_config(self):
         return {
             "llm": {"display_name": "LLM"},
+            "input_value": {
+                "display_name": "Input Value",
+                "info": "The input value to pass to the chain.",
+            },
         }
 
     def build(

src/backend/langflow/components/chains/LLMMathChain.py

@@ -18,6 +18,10 @@ class LLMMathChainComponent(CustomComponent):
             "memory": {"display_name": "Memory"},
             "input_key": {"display_name": "Input Key"},
             "output_key": {"display_name": "Output Key"},
+            "input_value": {
+                "display_name": "Input Value",
+                "info": "The input value to pass to the chain.",
+            },
         }
 
     def build(

src/backend/langflow/components/chains/RetrievalQAWithSourcesChain.py

@@ -22,6 +22,10 @@ class RetrievalQAWithSourcesChainComponent(CustomComponent):
             "memory": {"display_name": "Memory"},
             "return_source_documents": {"display_name": "Return Source Documents"},
             "retriever": {"display_name": "Retriever"},
+            "input_value": {
+                "display_name": "Input Value",
+                "info": "The input value to pass to the chain.",
+            },
         }
 
     def build(

src/backend/langflow/components/chains/SQLGenerator.py

@@ -25,6 +25,10 @@ class SQLGeneratorComponent(CustomComponent):
                 "display_name": "Top K",
                 "info": "The number of results per select statement to return. If 0, no limit.",
             },
+            "input_value": {
+                "display_name": "Input Value",
+                "info": "The input value to pass to the chain.",
+            },
         }
 
     def build(