OIC interview questions and answers

• titled “Oracle Integration Cloud (OIC) – Interview Questions

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  🌐 Oracle Integration Cloud (OIC) – Interview Questions & Answers

  🗓 Updated: March 11, 2025
  👨‍💼 Author: [Your Name or Company Name]

  ---

  💡 What is Oracle Integration Cloud (OIC)?

  Oracle Integration Cloud (OIC) is a powerful Platform as a Service (PaaS) that helps organizations connect applications, automate processes, and streamline data integration across cloud and on-premise systems.

  🧱 Key OIC Components:

  • 🔄 Integration Cloud Service (ICS): Build and run integrations

  • 🧰 Visual Builder Cloud Service (VBCS): Low-code app development

  • 🔁 Process Cloud Service (PCS): Automate workflows and business processes

  ---

  🔁 Common Integration Patterns in OIC

  Pattern	Description	Example
  Scheduled Orchestration	Triggers integration on a timed schedule	🕓 Run every 4 hours to import journal files via FTP
  App-Driven Orchestration	Starts via API or external event	🛒 REST endpoint receives order, pushes to ERP
  Basic Routing	Direct data flow with simple mapping	👥 Send HCM employee data to Fusion Apps
  File Transfer	Moves files across systems	💰 Upload payment files to bank FTP
  Publish to OIC	Sends messages to internal OIC topics	📣 Broadcast a payload to subscribers
  Subscribe to OIC	Listens to topic messages	📥 Inserts data into a DB when message arrives

  ---

  🔍 Key Differences: Basic Routing vs App-Driven Orchestration

  Feature	Basic Routing	App-Driven Orchestration
  Use Case	Simple 1:1 integration	Complex logic with conditions
  Components	Single mapping	Orchestration with loops, switches
  Example	Employee sync	Order processing workflow

  ---

  🧩 Essential OIC Components Explained

  🔌 Adapters:

  • File Adapter – Works via agent, supports files up to 10 MB.

  • FTP Adapter – Directly connects to FTP; supports 1 GB+ files.

  • Database Adapters (ATP/DBaaS) – Uses wallets/agents for secure connections.

  🌉 Connectivity Agent:

  • Secure bridge between OIC and on-prem systems (HTTPS, port 443).

  • Limits: 10 MB per payload (can segment large files).

  • Install via: java -jar connectivityagent.jar (after setting InstallerProfile.cfg)

  🧾 ERP Cloud Adapter:

  • Requires roles: Integration Specialist, SOAOperator.

  • Configure CSF Key for callback support.

  • Use metadata refresh if catalog sync lags (~30 mins wait time).

  ---

  🔬 When to Use ERP Adapter vs. Generic Adapters

  Use ERP Cloud Adapter	Use SOAP/REST Adapters
  ✔️ Pre-built catalog/API	✔️ Custom or unsupported APIs
  ✔️ Built-in callback support	❗ Manual XSD/JSON import required

  ---

  🚀 Advanced Features and Patterns

  📥 FBDI Integrations

  • Use for bulk file uploads into Fusion ERP

  • Supports callback status monitoring

  🧮 Global Variables & Data Stitching

  • Define reusable variables (primitive or complex types)

  • Use ASSIGN, APPEND, REMOVE in Stitch for payload manipulation

  🧯 Error Handling

  • Try-Catch per scope + Global fault handler

  • Use Throw for custom faults, Rethrow to escalate

  • Use “Parking Lot Pattern” for async error resubmission

  📊 Logging & Monitoring

  • Use short-term OIC logger or persist logs in DB/VBCS

  • Implement “heartbeat” checks for external endpoints

  ---

  🧪 Versioning, CI/CD & Feature Flags

  • Semantic versioning (v1.0.2, v2.3.1, etc.)

  • Automate deployments via OIC REST APIs

  • Integrate with GitHub/Jenkins for CI/CD

  • Feature flags progress from Internal → Controlled → GA (log SR for early access)

  ---

  🔐 Security & Certificates

  • OIC integrates with IDCS SSO

  • Use Service Accounts for system-to-system calls (bypass SSO)

  • Import 3rd-party SSL certificates via:
    Settings → Certificates → Import

  ---

  📦 Lookups & Packages

  • Lookups = Domain constants/value maps

  • Packages (.par) = Group and export integrations across environments

  ---

  🎯 Interview Tips & Focus Areas

  🎤 Topics to Highlight:

  • Real-world use cases: FTP → ERP file imports, retry patterns

  • Error handling strategies (sync vs async)

  • SOAP vs REST, XSDs, and when to use each

  • Queues vs Topics in Publish/Subscribe

  • REST verbs (GET, POST, PUT, DELETE)

  • CI/CD implementation with OIC APIs

  🧠 Troubleshooting Knowledge:

  • Metadata refresh for stale WSDLs

  • Dealing with agent connection failures

  • Handling locked or suspended integrations

  ---

  📚 Final Thoughts

  Oracle Integration Cloud (OIC) continues to be a cornerstone of enterprise cloud connectivity, and mastering it can unlock powerful automation and data orchestration capabilities. Preparing for an interview? Use this guide to solidify your fundamentals and demonstrate real-world knowledge with confidence.

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OIC interview questions

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🚀 Oracle Integration Cloud (OIC) Gen3 – Interview Q&A & Real-Time Insights

📅 Updated: July 26, 2025
✍️ By: Aks]

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Oracle Integration Cloud (OIC) Gen3 is the latest evolution in Oracle’s cloud integration suite, bringing faster runtimes, enhanced observability, and a simplified development experience.

This blog addresses some frequently asked interview questions and real-time use case clarifications for professionals working with OIC Gen3.

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🔁 1. What is the Difference Between FTP Adapter and File Adapter?

Feature	FTP Adapter	File Adapter
Use Case	Connects to FTP/SFTP servers	Accesses on-premise file systems
Deployment	Cloud-native	Requires OIC Connectivity Agent
Polling Support	✅ Yes	✅ Yes (via agent)
Transfer Type	Remote files over network	Local or network-shared files
Common Scenario	Download/upload files from a bank FTP	Reading data files from an on-premise legacy system

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📦 2. What is FBDI Integration?

FBDI (File-Based Data Import) is Oracle Fusion’s standard method to load bulk data via interface tables using CSV/XML templates.

🔧 Typical FBDI Integration Steps:

1. Generate CSV file based on FBDI template (e.g., Suppliers, Journals).

2. Upload file to UCM (via ERP Cloud Adapter).

3. Invoke ERP Import job (e.g., Import Payables Invoices).

4. Monitor status and fetch results using callback or polling.

🧠 Tip: Always validate CSV structure and lookup codes before upload.

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🔗 3. What Connections Are Required for FBDI Integration?

Connection	Purpose
ERP Cloud Adapter	Upload to UCM and run import jobs
FTP Adapter (Optional)	Retrieve CSV file from a remote location
SOAP Adapter	Callback/monitor import job status (if needed)
Email Adapter	Send notifications post import

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📂 4. Does FTP Adapter Support Polling?

✅ Yes!

The FTP Adapter in OIC Gen3 supports file polling. You can configure:

• Directory path

• Polling frequency

• File patterns (e.g., *.csv)

• Archival/move after processing

👉 Use Cases: Fetching daily reports, invoices, or orders dropped by external systems.

---

🧮 5. How to Calculate the Top 2nd Salary (SQL)?

SELECT MAX(salary) AS second_highest_salary
FROM employees
WHERE salary < (
  SELECT MAX(salary) FROM employees
);

🔎 This query works by excluding the highest salary and fetching the next max value.

---

🔄 6. What is the Difference Between Synchronous and Asynchronous Integration?

Feature	Synchronous	Asynchronous
Client Waits?	✅ Yes	❌ No
Response Time	Immediate	Background / Delayed
Use Case	Real-time APIs	Bulk processing, FBDI, callbacks
Example	Get Employee Info by ID	Upload journal file, run job, send callback

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🔃 7. Can We Convert Scheduled Integration to App-Driven?

🚫 No, this is not supported directly.

• Scheduled integrations are time-triggered and don’t accept external requests.

• You can recreate the flow logic in a new App-Driven integration.

🔧 Workaround: Copy artifacts and logic manually between integrations.

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🔁 8. Can We Convert App-Driven to Scheduled Integration?

🚫 No, direct conversion is not supported.

• App-driven integrations are designed to be invoked by APIs or events.

• Scheduled integrations work on time-based triggers.

🛠 You must build a new scheduled integration with similar flow logic.

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✨ Bonus Tip: Best Practices for OIC Gen3

• Use global fault handlers for robust error management.

• Group related integrations using lookup tables and packages.

• Schedule data purging for long-running integrations to keep performance optimal.

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📌 Conclusion

OIC Gen3 offers robust capabilities for hybrid integrations, event-driven orchestration, and bulk data handling via FBDI. Understanding how adapters differ, how to design for sync/async patterns, and when to use scheduled vs app-driven flows is key for both developers and architects.

🔎 Whether you're preparing for an interview or implementing real-time use cases, mastering these patterns will give you a solid edge in working with Oracle Cloud integrations.

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🌐 Oracle Integration Cloud (OIC) Gen3 – Key Features and Benefits

Oracle Integration Cloud (OIC) Generation 3 is Oracle’s latest evolution in application and process integration. It delivers a simplified and powerful low-code platform that enables seamless connectivity across Oracle and non-Oracle systems, with enhanced developer experience, modern monitoring, and better performance. Whether you are integrating cloud apps, building APIs, or automating business processes — OIC Gen3 simplifies it all.

Infographic: OIC Gen3 Architecture and Features

🔑 Key Features of OIC Gen3

• Unified Integration Platform: Combine Application Integration, Process Automation, and B2B messaging in one platform.
• Low-Code Development: Build integrations faster with visual design tools, guided wizards, and templates.
• Native Connectivity: Prebuilt adapters for Oracle SaaS (like ERP, HCM, CX) and 100+ other apps including SAP, Salesforce, Workday, etc.
• Advanced Observability: Real-time monitoring dashboards, automatic alerts, integration tracing, and intelligent analytics.
• GenAI Integration (NEW): Native integration capabilities with Generative AI APIs to enhance automation workflows.
• Zero Downtime Upgrades: Achieve continuous delivery with Oracle-managed seamless upgrades.
• Enterprise-Grade Security: Identity integration with OCI IAM, data encryption, secure keys, and policy-based access control.
• Built-in Process Automation: Automate multi-step approvals, service orchestration, and human task flows without code.
• Flex Deployment: Supports multi-cloud and hybrid architectures (cloud + on-premises).

📌 Common Use Cases

Here’s how organizations are using OIC Gen3 today:

1. Integrate Oracle ERP Cloud with third-party payroll and CRM systems.
2. Automate employee onboarding using Oracle HCM Cloud and DocuSign workflows.
3. Expose APIs for mobile and web apps using OIC's API gateway.
4. Build B2B transactions using EDI and AS2 standards.

🚀 Why Upgrade to OIC Gen3?

• Faster development and time-to-market for integrations.
• Reduced manual work and errors with automation.
• Better visibility into operations with AI-based monitoring.
• Flexible pricing and deployment options with OCI.

📝 Final Thoughts

OIC Gen3 is a game-changer for Oracle customers looking for fast, scalable, and intelligent integrations. With AI capabilities, low-code tools, and enterprise security, it helps businesses modernize and innovate — without complexity.

Ready to integrate smarter? Start exploring Oracle Integration Gen3 today!

📚 Suggested Reads:

• Top OIC Interview Questions
• Official Oracle Integration Cloud Page
• More Oracle EBS & OIC Tutorials

Key Setups in ORACLE Fusion HCM

🛠️ Oracle Fusion Setup & Maintenance: Your Ultimate Guide

Oracle Fusion includes a robust Setup and Maintenance work area—also known as the Functional Setup Manager (FSM)—which serves as the central hub for configuring enterprise modules like HCM, SCM, Asset Maintenance, and more.

🔍 Navigating the Functional Setup Manager

Log in with an Application Implementation Consultant role to access setup tasks. Navigate via Navigator → Setup and Maintenance or the dedicated icon on the Home page. :contentReference[oaicite:1]{index=1}

🔧 Generating HCM Setup Task List

After selecting the appropriate HCM offering (such as Global HR, Payroll, Benefits), you can generate a task list tailored to your configuration needs. Tasks include setting up enterprise structures, currencies, profiles, payroll definitions, compensation, and more. :contentReference[oaicite:2]{index=2}

⚙️ Steps to Configure Asset Maintenance

• Enable Maintenance Management in the Offerings list of the SCM or Asset module.
• Define master data: Set up plant parameters, work centers, resources, meter templates, warranty setups, and more.
• Configure lookups, Descriptive Flexfields (DFFs), Key Flexfields (KFFs), and value sets.
• Set asset group rules, attachments, meter readings, preventive programs.
• Define Asset Maintenance parameters for IoT, work order defaults, validation organization, user enforcement options, and more. :contentReference[oaicite:3]{index=3}

📊 Setup Methods Comparison

Oracle supports multiple methods to create setup data:

Object	Manual Setup	REST API	File-based Import
Work Area, Work Center, Resources	Yes	Yes	No
Standard Operations, Assets, Meter Templates	Yes	Yes	Yes (for some)
Supplier Warranty, Forecast Programs	Yes	Yes	No

This approach helps match your implementation strategy—whether it’s manual, integrations via REST APIs, or bulk import. :contentReference[oaicite:4]{index=4}

📌 Optional Configurations (Based on Licensing)

• License and configure Help Desk and IoT Asset Monitoring.
• Set up smart search, AI Assist, guided journeys, and validation rules.
• Customize lookups and value sets for Maintenance and Asset modules.:contentReference[oaicite:5]{index=5}

✅ Best Practices at a Glance

1. Sign in with appropriate roles (e.g., Application Implementation Consultant or IT Security Manager).
2. Select the correct offering that aligns with your business requirements.
3. Generate HCM or Maintenance task lists tailored to chosen features.
4. Define enterprise structures, security profiles, lookup values, and flexfields.
5. Enable optional features like AI Assist, Warranty, and Guided Journeys depending on your license.
6. Choose configuration method wisely: Manual > REST > Import, based on object type.
7. Review parameters thoroughly—especially IoT credentials and Maintenance rules.

💡 Why It Matters

Proper setup using FSM ensures:

• Accurate master data management
• Efficient operations and automation
• Robust audit trails and compliance
• Seamless integration with API, reporting, and extensions

📚 Related Articles

• OIC Integration & Interview Q&A
• How to Print WHO Columns in Oracle Reports

📝 Feedback or Questions?

Feel free to leave a comment below or reach out via our Contact Page.

OM Extension in Oracle Fusion Cloud SCM

🚀 Oracle Fusion SCM – Order Management Extensions: Complete Guide with Use Cases & Screenshots

📌 Introduction

Oracle Fusion SCM Order Management (OM) provides powerful Extension Frameworks that allow businesses to customize and enhance standard order processing without modifying core code.

These extensions help organizations implement custom validations, automation, integrations, and business rules aligned with real-world processes.

In this blog, we will cover:

• What are OM Extensions?

• Types of Extensions

• Business Use Cases

• Navigation Steps

• Sample Scenarios

• Screenshot Walkthrough

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📖 What Are Order Management Extensions?

Order Management Extensions are custom logic components that run during order processing lifecycle events.

They allow you to:

• Validate orders

• Enrich data

• Control workflows

• Trigger integrations

• Enforce business rules

These are built using Groovy scripting in Oracle Fusion Cloud.

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⚙️ Types of Order Management Extensions

1️⃣ Validation Extensions

Used to validate order data before submission.

📌 Example:

• Prevent order submission if credit limit exceeded

• Validate customer category

2️⃣ Defaulting Extensions

Used to populate default values.

📌 Example:

• Default warehouse based on country

• Assign price list automatically

3️⃣ Processing Extensions

Executed during order lifecycle.

📌 Example:

• Auto-approve orders

• Trigger shipment process

4️⃣ Integration Extensions

Used to integrate external systems.

📌 Example:

• Send order to WMS

• Notify finance system

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🏢 Real-Time Business Use Cases

✅ Use Case 1: Credit Limit Validation

Prevent customers from placing orders beyond credit limit.

Logic:

if (orderTotal > customerCreditLimit) {
    throw new ValidationException("Credit limit exceeded")
}

---

✅ Use Case 2: Auto Warehouse Assignment

Assign warehouse based on shipping location.

Country	Warehouse
India	WH_IND
USA	WH_USA

---

✅ Use Case 3: Special Discount Approval

Route high-discount orders for approval.

Condition: Discount > 25%

Action: Send for approval

---

✅ Use Case 4: Integration Trigger

Send confirmed orders to 3PL system.

Trigger: Order Status = Confirmed

---

🧭 Navigation: How to Access OM Extensions

Step 1: Login to Fusion Application

Navigate to:

Navigator → Setup and Maintenance

📷 Screenshot 1: Fusion Home / Navigator Page (Oracle Fusion SCM Landing Screen)

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Step 2: Open Order Management Setup

Go to:

Setup and Maintenance → Order Management → Order Management Extensions

📷 Screenshot 2: Setup and Maintenance – Order Management Configuration Page

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Step 3: Manage Order Management Extensions

Click on:

Manage Order Management Extensions

📷 Screenshot 3: Search Results for Order Management Extensions

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Step 4: Create New Extension

Click + Create

Select:

• Extension Type

• Event

• Object

📷 Screenshot 4: Manage Order Management Extensions – Event Configuration Screen

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🛠️ Creating an Extension – Step-by-Step

Step 1: Select Event

Common Events:

• On Save

• On Submit

• On Process

• On Fulfillment

---

Step 2: Write Groovy Script

Example:

if (Header.TotalAmount > 100000) {
    Header.ApprovalRequired = true
}

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Step 3: Validate Script

Click Validate to check syntax.

📷 Screenshot 5: Groovy Script Editor with Validation Option

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Step 4: Deploy Extension

Click Deploy to activate.

📷 Screenshot 6: Extension Deployment and Activation Screen

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📊 Extension Lifecycle

Create → Validate → Deploy → Test → Monitor

Always test in TEST/UAT before Production.

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⚠️ Best Practices

✔ Use modular scripts
✔ Avoid hardcoding values
✔ Use lookups
✔ Add error handling
✔ Maintain documentation
✔ Use version control

---

❌ Common Mistakes

❗ Not validating scripts
❗ Hardcoded org IDs
❗ Missing exception handling
❗ No performance testing

---

📈 Performance Tips

• Avoid heavy loops

• Minimize database calls

• Cache lookup values

• Use conditional logic

---

🔍 Monitoring & Troubleshooting

Navigate to:

Tools → Scheduled Processes → Diagnostic Logs

Check:

• ESS logs

• Extension logs

• Error stack trace

📷 Screenshot 7: Diagnostic Logs and Troubleshooting Screen

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📚 Interview Perspective (Bonus)

Q: Why use OM Extensions?

A: To implement custom business rules without modifying standard Fusion code.

Q: Which language is used?

A: Groovy scripting.

Q: Are extensions upgrade-safe?

A: Yes, Oracle supports extensions during upgrades.

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🎯 Conclusion

Order Management Extensions in Oracle Fusion SCM are powerful tools to customize order processing and meet complex business requirements.

With proper design, testing, and governance, they can significantly improve operational efficiency.

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✍️ About the Author

Akhil Sayed is an Oracle Fusion & OIC Consultant with hands-on experience in SCM, integrations, and cloud implementations.

For more Oracle tutorials, visit:
👉 https://knoworacleebs.blogspot.com

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Web extensions in Oracle Fusion

🌐 Oracle Fusion Web Extensions: Complete Guide with Use Cases, Navigation & Screenshots

📌 Introduction

Oracle Fusion Web Extensions allow organizations to extend the user interface and functionality of Fusion Cloud applications using Visual Builder Studio (VBS) and REST services.

They help businesses customize screens, add validations, integrate external systems, and enhance user experience without modifying standard Oracle code.

In this blog, you will learn:

• What are Fusion Web Extensions?

• Architecture Overview

• Business Use Cases

• Navigation Steps

• Configuration Process

• Screenshot Walkthrough

• Best Practices

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📖 What Are Fusion Web Extensions?

Fusion Web Extensions are UI-based customizations developed using Oracle Visual Builder that run on top of Fusion applications.

They allow you to:

• Add custom pages

• Extend standard pages

• Embed external apps

• Call REST APIs

• Customize workflows

• Improve user productivity

These extensions are upgrade-safe and fully supported by Oracle.

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🏗️ Architecture of Web Extensions

User → Fusion UI → Visual Builder Extension → REST APIs → Backend Services

Key Components:

• Visual Builder Studio

• Business Objects

• REST Services

• Security Roles

• Page Flows

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⚙️ Types of Fusion Web Extensions

1️⃣ Page Extensions

Extend standard Fusion pages.

📌 Example:

• Add custom section in Sales Order page

• Add approval comments field

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2️⃣ Standalone Web Apps

Independent applications integrated into Fusion.

📌 Example:

• Custom Vendor Portal

• Order Tracking Portal

---

3️⃣ Embedded Extensions

Embedded inside existing pages.

📌 Example:

• Credit status widget

• Stock availability panel

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🏢 Real-Time Business Use Cases

✅ Use Case 1: Customer Credit Dashboard

Display real-time credit status on Order Entry page.

Benefits:

• Faster decisions

• Reduced risk

---

✅ Use Case 2: Custom Approval Interface

Create simplified approval screen.

Benefits:

• Mobile friendly

• Better user adoption

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✅ Use Case 3: External System Integration

Embed logistics tracking portal.

Benefits:

• End-to-end visibility

• No manual follow-ups

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✅ Use Case 4: Data Capture Enhancement

Capture additional attributes during order creation.

Benefits:

• Better reporting

• Compliance support

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🧭 Navigation: How to Access Web Extensions

Step 1: Login to Oracle Fusion

Navigate to:

Navigator → Tools → Visual Builder Studio

📷 Screenshot 1: Fusion Navigator with Visual Builder Studio

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Step 2: Open Visual Builder Instance

Select your environment and workspace.

📷 Screenshot 2: Visual Builder Studio Dashboard

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Step 3: Access Application Extensions

Go to:

Projects → Fusion Applications → Web Extensions

📷 Screenshot 3: Web Extensions Project Screen

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Step 4: Create New Extension

Click Create Application → Select Extension Type

📷 Screenshot 4: Create Web Extension Wizard

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🛠️ Creating a Web Extension – Step by Step

Step 1: Define Application

Provide:

• Application Name

• Description

• Base Product

---

Step 2: Design Pages

Use drag-and-drop UI builder.

Components:

• Forms

• Tables

• Charts

• Buttons

📷 Screenshot 5: Visual Page Designer

---

Step 3: Configure REST Services

Connect Fusion REST APIs.

Example:

GET /fscmRestApi/resources/latest/salesOrders

📷 Screenshot 6: REST Service Configuration

---

Step 4: Add Business Logic

Use JavaScript for validations.

Example:

if(orderAmount > 500000){
  alert("Approval Required");
}

---

Step 5: Test & Publish

Test in DEV → Publish → Deploy to PROD

📷 Screenshot 7: Publish & Deployment Screen

---

🔐 Security Configuration

Configure access using:

Security Console → Roles → Visual Builder Roles

Assign users appropriately.

---

⚠️ Best Practices

✔ Use responsive design
✔ Follow naming standards
✔ Reuse REST services
✔ Secure APIs
✔ Maintain documentation
✔ Test across devices

---

❌ Common Mistakes

❗ Hardcoding URLs
❗ Ignoring security roles
❗ Not handling errors
❗ Poor UI design
❗ No performance testing

---

📈 Performance Optimization Tips

• Use pagination

• Enable caching

• Minimize API calls

• Lazy load components

---

🔍 Monitoring & Troubleshooting

Use:

Tools → Application Monitoring → Visual Builder Logs

Check:

• Console logs

• REST errors

• Performance metrics

📷 Screenshot 8: Visual Builder Monitoring Screen

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📚 Interview Perspective (Bonus)

Q: What is Fusion Web Extension?

A: A Visual Builder-based UI customization for Fusion.

Q: Are web extensions upgrade-safe?

A: Yes, fully supported by Oracle.

Q: Which language is used?

A: JavaScript and JSON.

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🎯 Conclusion

Fusion Web Extensions empower businesses to deliver personalized user experiences and integrate modern digital workflows into Oracle Fusion.

With proper governance and design, they can significantly enhance productivity and system adoption.

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✍️ About the Author

Akhil Sayed is an Oracle Fusion & OIC Consultant specializing in SCM, Web Extensions, and Cloud Integrations.

Visit: https://knoworacleebs.blogspot.com

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Like, Share & Comment below!

Happy Coding! 🚀