Workflows

- Overview

A workflow is a repeatable sequence of steps that moves work from start to finish to achieve a specific goal. It is an orchestrated and repeatable pattern of activity enabled by the systematic organization of resources into processes. 

1. Key Concepts:

• Definition: The procedural movement of information, materials, and tasks from one participant or automated system to another.
• Structure: Can be sequential (each step depends on the previous one) or parallel (multiple steps happen at the same time).
• Management Systems: A workflow management system provides the software infrastructure to set up, perform, and monitor defined sequences of tasks.
• Applications: Workflow applications automate business or operational processes to increase efficiency and track progress.

2. Basic Elements: 

Every workflow relies on three basic elements:

• Trigger: The event that starts the process (such as a customer submitting an order).
• Steps: The individual tasks or actions completed in a specific order.
• Outcome: The final result or deliverable (such as the order shipped to the customer).

3. Core Characteristics:

• Repeatable: Designed to be used over and over for similar tasks.
• Sequential: Follows a clear order of operations.
• Structured: Assigns clear roles and rules for each handoff.

4. Example: 

An employee onboarding workflow includes:

• HR sends a welcome email and paperwork.
• IT sets up the new computer and accounts.
• The manager schedules the first day training.

Please refer to the following for more information:

• Wikipedia: Workflow
• Wikipedia: Workflow Management System
• Wikipedia: Workflow Technology
• Wikipedia: Workflow Engine
• Wikipedia: Workflow Pattern
• Wikipedia: Workflow Application

- The Main Types of Workflows 

The four main types of workflows are sequential, parallel, state-machine, and rules-driven workflows.

1. Sequential Workflows (The Linear Path):

• How it works: Tasks follow a strict, step-by-step order. Step B cannot start until Step A is completely finished.
• Best used for: Simple, predictable, and repetitive processes like basic data entry, standard IT helpdesk tickets, or linear approval sign-offs.

2. Parallel Workflows (Multitasking):

• How it works: Multiple tasks happen at the same time and run independently before merging back together at a final step.
• Best used for: Cross-functional projects where different teams can work simultaneously, such as an HR onboarding process where IT sets up an email while legal prepares the contract.

 
3. State-Machine Workflows (Event-Driven):

• How it works: The process moves through different predefined "states" based on external triggers, events, or decisions, and can loop forward or backward.
• Best used for: Complex transactional processes or tracking lifecycles, such as e-commerce order fulfillment (Pending -> Shipped -> Delivered -> Returned) or bug tracking in software development.

4. Rules-Driven Workflows (Dynamic Routing):

• How it works: The path changes dynamically using conditional "if-then" logic based on runtime data or specific preset criteria.
• Best used for: Automated decision-making, such as routing a financial expense report directly to payroll if it is under $500, but sending it to a manager if it exceeds that amount.