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Is it a task, subprocess or reusable suprocess?

I'm trying to model a system we have where the first thing the user does is a Person Id / SSN lookup to see if the person is already, or has been an employee or not. If they are an employee the process goes on to prepopulate a form with their information, and if not the user is prompted to fill in the information.

Right now I'm representing the Person Id / SSN Lookup on the diagram as a task, but I'm wondering since it involves two calls to a database if it should be modeled as a subprocess, and if so, since it is the first thing the user does every time is it then considered a reusable subprocess?

Best Answer
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Dear Jeff,

You may choose to represent the Person Id /SSN lookup as a task, or indeed as a Reusable Sub-process.

Use the Reusable Sub-process especially if you consider the lookup to be a logical unit of actions that, "as a whole", will be reused by other processes.

Best regards,

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Dear Jeff,

You may choose to represent the Person Id /SSN lookup as a task, or indeed as a Reusable Sub-process.

Use the Reusable Sub-process especially if you consider the lookup to be a logical unit of actions that, "as a whole", will be reused by other processes.

Best regards,

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Okay. Thanks. That cleared things up nicely.