How Do You Make A Sequence Diagram?
A sequence diagram is used to analyze, document or validate the logic in the system being reviewed. This visual model uses boxes and lines to detail the sequence of events for a system. A series of sequence diagrams can be used if the process is complex. Draw a simple sequence diagram by hand or use a software tool such as Microsoft Visio for more detailed diagrams. The following example details a sequence diagram for checking out at a grocery store. List the steps in the process in their sequential order. For the example of checking out at a grocery store, the steps are “Choose food,” “Place food on counter,” “Pay for food,” “Bag food” and “Leave store.” Write the steps on the paper in a column on the left side. Begin with step one in the top-left corner with step two written below step one. Continue with all steps, allowing at least 1 inch between steps to create the diagram. Write the physical items needed for the process across the top of the paper in the order that they are used f
