Introduction: What is Blue Prism and Why It Matters
Blue Prism is an enterprise Robotic Process Automation (RPA) platform that enables organizations to create digital workforces by automating rule-based business processes. It uses software robots to mimic human interactions with digital systems and software, executing repetitive tasks with precision and reliability.
Why Blue Prism Matters:
- Reduces operational costs by automating repetitive tasks
- Improves accuracy by eliminating human error
- Increases productivity and operational efficiency
- Enables redeployment of human resources to higher-value work
- Provides scalable automation solutions for enterprise environments
- Ensures compliance through consistent process execution and detailed audit trails
Core Concepts and Principles
Key Components of Blue Prism Architecture
Component | Description |
---|---|
Process Studio | Environment for designing business processes and workflows |
Object Studio | Environment for creating reusable objects that interact with applications |
Control Room | Central management console for monitoring and controlling automated processes |
Release Manager | Tool for version control and deployment of processes |
Application Modeller | Interface for mapping application elements for automation |
Work Queues | System for managing and distributing work items |
Session Management | Controls runtime environments where processes execute |
Fundamental Terminology
- Business Objects: Reusable components that encapsulate application functionality
- Visual Business Objects (VBOs): Graphical representation of application interfaces
- Process Diagrams: Visual workflows that orchestrate automation steps
- Pages: Containers for stages within a process or business object
- Spying: Technique to identify and map UI elements of applications
- Surface Automation: Automation based on UI interaction
- Data Items: Variables used to store and manipulate data during process execution
- Exceptions: Errors or unexpected conditions during process execution
Step-by-Step Processes and Methodologies
Creating a Blue Prism Process
Process Planning
- Define process requirements and objectives
- Map the current manual process
- Identify automation opportunities and exceptions
Development Environment Setup
- Install Blue Prism client
- Configure connection to Blue Prism database
- Set up necessary credentials and access rights
Object Creation
- Use Application Modeller to map application interfaces
- Create application VBOs with necessary actions and methods
- Test object functionality independently
Process Design
- Create a new process in Process Studio
- Define process inputs and outputs
- Build the process flow using pages and stages
- Implement business logic and decision points
- Integrate exception handling
Testing
- Unit test individual components
- Conduct integration testing of the full process
- Validate process against various scenarios
- Debug and refine as needed
Deployment
- Use Release Manager to prepare for deployment
- Create process documentation
- Deploy to production environment
- Set up scheduling and runtime resources
Monitoring and Maintenance
- Monitor process execution in Control Room
- Review logs and exception reports
- Implement continuous improvement
Key Techniques, Tools, and Methods
Process Studio Techniques
- Start and End Stages: Define entry and exit points
- Decision Stages: Implement conditional logic
- Calculation Stages: Perform data manipulations
- Action Stages: Execute business object actions
- Loop Stages: Iterate through collections or repeat actions
- Exception Blocks: Handle errors gracefully
- Resume Stages: Continue execution after exceptions
- Link Stages: Connect different sections of a process
- Note Stages: Add documentation directly in the process
Object Studio Techniques
- Read/Write Stages: Interact with application elements
- Navigation Stages: Move through application screens
- Wait Stages: Pause until conditions are met
- Code Stages: Implement custom VB.NET or C# code
- Recovery Procedures: Handle application-specific errors
- Data Manipulation: Transform and validate data
Application Modeller Techniques
Technique | Description | Best Used For |
---|---|---|
Application Modes | Different ways to interact with applications | Setting up different interaction approaches |
Element Spying | Identifying UI elements for automation | Mapping controls and interface elements |
Match Anchors | Using relative positioning to find elements | Dynamic interfaces or elements that change position |
Region Spying | Capturing sections of the interface | OCR and image-based automation |
Attribute Spying | Identifying elements by their properties | Complex applications with dynamic UIs |
HTML Mode | Interacting with web applications | Web-based automation |
Accessibility Mode | Using accessibility APIs | More reliable automation of modern applications |
Data Manipulation
- Data Items: Local and global variables for storing information
- Collections: Data structures for handling multiple related items
- Environment Variables: Configuration values accessible across processes
- Data Conversion: Transforming between data types
- String Manipulation: Functions for text processing
- Date/Time Functions: Working with temporal data
- Calculation Functions: Performing mathematical operations
- Regular Expressions: Pattern matching and complex text operations
Work Queue Management
- Creating Queues: Setting up work distribution systems
- Item Tagging: Categorizing work items for routing
- Priority Management: Ensuring critical items are processed first
- Exception Handling: Managing failed queue items
- Deferral: Postponing processing of certain items
- Work Queue Analytics: Monitoring queue performance
Comparison Tables
Blue Prism vs Other RPA Tools
Feature | Blue Prism | UiPath | Automation Anywhere |
---|---|---|---|
Target Market | Enterprise | All sizes | All sizes |
Coding Required | Minimal | Optional | Minimal |
Deployment Model | On-premise/Private cloud | Cloud/On-premise | Cloud/On-premise |
Development Approach | Process flowchart | Flowchart + Recording | Command-based + Recording |
Ease of Use | Moderate learning curve | User-friendly | User-friendly |
Object Reusability | High (VBO framework) | Medium | Medium |
Process Management | Robust Control Room | Orchestrator | Control Room |
Governance | Strong enterprise features | Growing enterprise features | Strong enterprise features |
AI/ML Integration | Through partnerships | Native + marketplace | IQ Bot + marketplace |
Community Support | Limited but growing | Extensive | Extensive |
Automation Approaches in Blue Prism
Approach | Description | Pros | Cons |
---|---|---|---|
Surface Automation | Interacts with application UI | Works with any application | Can break with UI changes |
API Integration | Connects directly to application APIs | Faster and more reliable | Requires API access |
Database Automation | Direct database interaction | Highly efficient for data processing | Security and access limitations |
Mainframe Automation | Automation of legacy systems | Extends RPA to older systems | Complex to implement |
Hybrid Approach | Combines multiple methods | Most flexible and robust | More complex to design |
Common Challenges and Solutions
Challenge | Solution |
---|---|
Dynamic UI Elements | Use match anchors or descriptive identifiers; implement flexible waiting conditions |
Application Changes | Modularize VBOs; use resilient selectors; implement regular maintenance checks |
Performance Issues | Optimize processes; reduce unnecessary waits; use direct API access when possible |
Exception Handling | Implement comprehensive exception blocks; use transaction retry mechanisms |
Credential Management | Utilize Blue Prism Credential Manager; implement secure credential rotation |
Process Scalability | Design for resource efficiency; implement work queue distribution |
Complex Business Logic | Break into modular sub-processes; use decision tables for complex rules |
Unstructured Data | Implement OCR; use intelligent document processing techniques |
Process Monitoring | Set up alerts; use analytics dashboard; implement detailed logging |
Maintaining Governance | Follow release management protocols; document processes thoroughly |
Best Practices and Practical Tips
Naming Conventions
- Use consistent, descriptive names for all objects, processes, and data items
- Follow a standard format: [Function][Entity][Action]
- Examples:
- Business Objects:
BO_SAP_Login
,BO_Excel_ReadData
- Processes:
PROC_InvoiceProcessing
,PROC_CustomerOnboarding
- Data Items:
str_CustomerName
,col_InvoiceData
,num_TotalAmount
- Business Objects:
Process Structure
- Design modular processes with clear, single-responsibility objects
- Limit page complexity to improve readability and maintenance
- Create reusable utility objects for common functions
- Implement proper initialization and cleanup procedures
- Document process logic with notes and comments
- Use subpages to organize complex logic
Exception Handling Best Practices
- Implement multiple levels of exception handling:
- Business exceptions: Expected variations requiring special handling
- System exceptions: Technical failures requiring recovery
- Application exceptions: Application-specific errors
- Log detailed exception information, including:
- Exception type and message
- Process stage where exception occurred
- Relevant data values at time of exception
- Screenshots of application state
- Implement retry mechanisms with configurable attempt limits
- Create dedicated exception handler processes for complex recovery scenarios
Security Guidelines
- Follow the principle of least privilege for service accounts
- Rotate credentials regularly
- Encrypt sensitive data items
- Implement session management best practices
- Use Blue Prism Credential Manager for all authentication
- Maintain audit logs for compliance
Performance Optimization
- Minimize external application interactions
- Batch process data when possible
- Use native Blue Prism functions instead of custom code when available
- Optimize wait conditions and timeouts
- Implement efficient exception handling
- Close applications properly after use
- Limit resource-intensive operations like OCR
Resources for Further Learning
Official Resources
- Blue Prism Portal – Official documentation and learning materials
- Blue Prism University – Official training and certification courses
- Blue Prism Digital Exchange – Marketplace for components and solutions
Community Resources
- Blue Prism Community Forum – User discussions and knowledge sharing
- RPA Subreddit – General RPA discussions including Blue Prism
- LinkedIn Blue Prism Groups – Professional networking and knowledge sharing
Certification Path
- Blue Prism Developer (Foundation)
- Blue Prism Developer (Professional)
- Blue Prism Solution Designer
- Blue Prism Technical Architect
- Blue Prism ROM Architect
Recommended Books
- “Service Automation: Robots and the Future of Work” by Leslie Willcocks and Mary Lacity
- “Robotic Process Automation and Risk Mitigation” by Mary Lacity and Leslie Willcocks
- “Blue Prism: The Ultimate Guide to RPA” by Richard Murdock (Note: Unofficial guide)
Video Tutorials
- Blue Prism YouTube Channel – Official tutorials and webinars
- Blue Prism How-To Series – Step-by-step implementation guides