Handle errors from example node and clarified options about credentials and properties

credentials/HttpBinApi.credentials.ts

@@ -1,4 +1,5 @@
 import {
+	IAuthenticateGeneric,
 	ICredentialDataDecryptedObject,
 	ICredentialTestRequest,
 	ICredentialType,
@@ -17,12 +18,6 @@ export class HttpBinApi implements ICredentialType {
 			type: 'string',
 			default: '',
 		},
-		// {
-		// 	displayName: "API Key",
-		// 	name: "apiKey",
-		// 	type: "string",
-		// 	default: "",
-		// },
 		{
 			displayName: 'Domain',
 			name: 'domain',
@@ -31,26 +26,21 @@ export class HttpBinApi implements ICredentialType {
 		},
 	];
 
-	// authenticate = {
-	// 	type: "headerAuth",
-	// 	properties: {
-	// 		name: "api-key",
-	// 		value: "={{$credentials.apiKey}}",
-	// 	},
-	// } as IAuthenticateHeaderAuth;
-
-	authenticate = async (
-		credentials: ICredentialDataDecryptedObject,
-		requestOptions: IHttpRequestOptions,
-	): Promise<IHttpRequestOptions> => {
-		const headers = requestOptions.headers || {};
-		const authentication = { Authorization: `Bearer ${credentials.token}` };
-		Object.assign(requestOptions, {
-			headers: { ...authentication, ...headers },
-		});
-		return requestOptions;
-	};
+	// This allows the credential to be used by other parts of n8n
+	// stating how this credential is injected as part of the request
+	// An example is the Http Request node that can make generic calls
+	// reusing this credential
+	authenticate = {
+		type: 'generic',
+		properties: {
+			header: {
+				name: 'api-key',
+				value: '={{$credentials.apiKey}}',
+			},
+		},
+	} as IAuthenticateGeneric;
 
+	// The block below tells how this credential can be tested
 	test: ICredentialTestRequest = {
 		request: {
 			baseURL: '={{$credentials?.domain}}',