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New interface inputs added to a current workflow/process model v17.2

sswilliams

I'm adding new interface inputs to a current process model.  The process will now connect to a database and I want to replace the current CDT that is being used with a CDT that will be used to write directly to the database using the 'Write to Data Store' smart node.  Once I move these updated interfaces and process model to production, the current running instances will be over-written with the updates interfaces but will not have the new interface input and/or process variables.  This results in data in the running instances no longer being collected.
How can an updated process model and it's corresponding interfaces (with new interface inputs) be moved into production without impacting the current running instances?  What can be done for this so that the current running instances are not impacted?  How do your other Customers handle this type or similar situation?  Thanks...

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  • 0
    Hi,
    There are 2 ways,
    1. As Santosh mentioned, In-flight modification of existing process instances. You should do this if its really important to touch existing running process instances.
    2. One should avoid deleting interface/expression rule inputs. Addition of new interface/expression rule input (as your case) should not harm. However, you should add null condition on the newly added input to make sure it will work in the same way as before with null value of new parameter.

    Thanks.
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  • 0
    Hi,
    There are 2 ways,
    1. As Santosh mentioned, In-flight modification of existing process instances. You should do this if its really important to touch existing running process instances.
    2. One should avoid deleting interface/expression rule inputs. Addition of new interface/expression rule input (as your case) should not harm. However, you should add null condition on the newly added input to make sure it will work in the same way as before with null value of new parameter.

    Thanks.
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