✨ Add functionality to evaluate expression

packages/nodes-base/nodes/Function.node.ts

@@ -47,6 +47,9 @@ export class Function implements INodeType {
 
 		// Define the global objects for the custom function
 		const sandbox = {
+			evaluateExpression: (expression: string, itemIndex = 0) => {
+				return this.evaluateExpression(expression, itemIndex);
+			},
 			getNodeParameter: this.getNodeParameter,
 			getWorkflowStaticData: this.getWorkflowStaticData,
 			helpers: this.helpers,