add additional params

packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts

@@ -1,5 +1,5 @@
 import { INode, INodeData, INodeParams } from '../../../src/Interface'
-import { initializeAgentExecutorWithOptions, AgentExecutor } from 'langchain/agents'
+import { initializeAgentExecutorWithOptions, AgentExecutor, InitializeAgentExecutorOptions } from 'langchain/agents'
 import { Tool } from 'langchain/tools'
 import { BaseChatModel } from 'langchain/chat_models/base'
 import { BaseChatMemory } from 'langchain/memory'
@@ -39,6 +39,22 @@ class ConversationalAgent_Agents implements INode {
                 label: 'Memory',
                 name: 'memory',
                 type: 'BaseChatMemory'
+            },
+            {
+                label: 'System Message',
+                name: 'systemMessage',
+                type: 'string',
+                rows: 4,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Human Message',
+                name: 'humanMessage',
+                type: 'string',
+                rows: 4,
+                optional: true,
+                additionalParams: true
             }
         ]
     }
@@ -47,11 +63,25 @@ class ConversationalAgent_Agents implements INode {
         const model = nodeData.inputs?.model as BaseChatModel
         const tools = nodeData.inputs?.tools as Tool[]
         const memory = nodeData.inputs?.memory as BaseChatMemory
+        const humanMessage = nodeData.inputs?.humanMessage as string
+        const systemMessage = nodeData.inputs?.systemMessage as string
 
-        const executor = await initializeAgentExecutorWithOptions(tools, model, {
+        const obj: InitializeAgentExecutorOptions = {
             agentType: 'chat-conversational-react-description',
             verbose: true
-        })
+        }
+
+        const agentArgs: any = {}
+        if (humanMessage) {
+            agentArgs.humanMessage = humanMessage
+        }
+        if (systemMessage) {
+            agentArgs.systemMessage = systemMessage
+        }
+
+        if (Object.keys(agentArgs).length) obj.agentArgs = agentArgs
+
+        const executor = await initializeAgentExecutorWithOptions(tools, model, obj)
         executor.memory = memory
         return executor
     }