Feature/add max iterations to agents (#2161)

add max iterations to agents

packages/components/nodes/agents/XMLAgent/XMLAgent.ts

@@ -93,6 +93,13 @@ class XMLAgent_Agents implements INode {
                 type: 'Moderation',
                 optional: true,
                 list: true
+            },
+            {
+                label: 'Max Iterations',
+                name: 'maxIterations',
+                type: 'number',
+                optional: true,
+                additionalParams: true
             }
         ]
         this.sessionId = fields?.sessionId
@@ -179,6 +186,7 @@ class XMLAgent_Agents implements INode {
 
 const prepareAgent = async (nodeData: INodeData, flowObj: { sessionId?: string; chatId?: string; input?: string }) => {
     const model = nodeData.inputs?.model as BaseChatModel
+    const maxIterations = nodeData.inputs?.maxIterations as string
     const memory = nodeData.inputs?.memory as FlowiseMemory
     const systemMessage = nodeData.inputs?.systemMessage as string
     let tools = nodeData.inputs?.tools
@@ -233,7 +241,8 @@ const prepareAgent = async (nodeData: INodeData, flowObj: { sessionId?: string;
         chatId: flowObj?.chatId,
         input: flowObj?.input,
         isXML: true,
-        verbose: process.env.DEBUG === 'true' ? true : false
+        verbose: process.env.DEBUG === 'true' ? true : false,
+        maxIterations: maxIterations ? parseFloat(maxIterations) : undefined
     })
 
     return executor