Wait node notices implemented

Author: vprudnikoff

nodes/LinkedApi/LinkedApi.node.ts

@@ -95,6 +95,18 @@ export class LinkedApi implements INodeType {
 		inputs: [NodeConnectionType.Main],
 		outputs: [NodeConnectionType.Main],
 		usableAsTool: true,
+		hints: [
+			{
+				message:
+					'This action delivers results asynchronously. Add a <b>Wait</b> node ' +
+					'(set to "On Webhook Call") right after this node to receive the results.',
+				type: 'warning',
+				location: 'outputPane',
+				whenToDisplay: 'beforeExecution',
+				displayCondition:
+					'={{ !["getWorkflowResult", "cancelWorkflow", "pollConversations", "actionsUsageStatistics"].includes($parameter["operation"]) }}',
+			},
+		],
 		credentials: [
 			{
 				name: 'linkedApi',

nodes/LinkedApi/shared/LinkedApiOperation.ts

@@ -88,11 +88,27 @@ export abstract class LinkedApiWebhookOperation extends LinkedApiOperation {
 		'result-retrieval': 'webhook',
 	};
 
+	protected override get defaultFields(): INodeProperties[] {
+		return [
+			{
+				displayName:
+					'<b>Important:</b> This action delivers results asynchronously. ' +
+					'You must add a <b>Wait</b> node right after this node and set its ' +
+					'"Resume" field to <b>"On Webhook Call"</b>. Without the Wait node, ' +
+					'your workflow will not receive results. ' +
+					'<a href="https://linkedapi.io/integrations/n8n/building-workflows-0" target="_blank">See setup guide</a>',
+				name: 'waitNodeRequiredNotice',
+				type: 'notice',
+				default: '',
+				displayOptions: {
+					show: this.show,
+				},
+			},
+		];
+	}
+
 	override requestBody(context: IExecuteFunctions): Record<string, any> {
 		const resumeUrl = context.evaluateExpression('{{$execution.resumeUrl}}', 0) as string;
-		if (!resumeUrl) {
-			throw new Error("Wait node wasn't found. Please check your workflow.");
-		}
 		if (resumeUrl && resumeUrl.includes('//localhost')) {
 			throw new Error('Localhost running is not allowed. Please use a public n8n instance.');
 		}