Learn APPIAN with Real Code Examples
Updated Nov 26, 2025
Architecture
Model-driven architecture with process and data separation
Appian runtime executes workflows and rules
Visual interfaces render responsive UIs
Data layer supports entities, records, and integrations
Cloud or on-prem deployment with monitoring and audit capabilities
Rendering Model
Interfaces rendered via web/mobile runtime
Processes executed by Appian BPM engine
Tasks presented to users in Tempo UI
Records aggregate data and views dynamically
Integrations fetch and push external data in real-time
Architectural Patterns
Model-driven architecture
Process-centric application design
Separation of logic, data, and UI
Reusable components and interfaces
Cloud-native deployment pipelines
Real World Architectures
Enterprise workflow automation
Customer onboarding portals
Insurance claim management
Regulatory compliance apps
Financial services dashboards
Design Principles
Low-code, model-driven development
Process-first approach for enterprise automation
Separation of data, process, and UI
Multi-channel and mobile-first design
Security, compliance, and scalability
Scalability Guide
Optimize process model complexity
Use reusable components
Cache frequently used data
Monitor process execution metrics
Split large applications into modules
Migration Guide
Upgrade Appian version
Refactor deprecated components
Update process models for latest features
Validate interfaces for responsive changes
Test integrations and API endpoints