5 Steps to Draw State Machine Diagram

Visually capture the behavior of an object in a system using UML, a standard adopted worldwide. Clarify how different events drive transitions between states. Uncover unlikely yet possible problematic states.

  1. Step 1 - Define states

    Specify possible, meaningful conditions or situations an object might be in during its life time in a system.

  2. Step 2 - Describe states

    Tell others more in detail about what those states are with documentation for future reference.

  3. Step 3 - Draw transitions

    Draw directed lines to depict changes from one state to another.

  4. Step 4 - Define transition triggers

    Clarify what events kick off the transitions.

  5. Step 5 - Define guard conditions

    Place constraints that need to be met before a transition actually takes place - making a transition conditional.

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