Designing to troubleshoot: Using precedence constraints

- Using Precedence Constraints.…Precedence constraints, which we've worked…with already, can be very helpful for not only controlling…a work-flow but also in troubleshooting…because depending on the outcome of a certain task…we can redirect a work-flow into some procedure…that we wanna have happen that would…help us in troubleshooting.…A procedure such as a logging or sending mail…or notifying an operator etcetera.…

What I'm showing you here is we have…the Initiate which is just a script task…and then I've taken three outputs.…I've run three other script tasks…and one's going to Run on Success…and one's going to Run on Failure…and one's going to Run on Completion.…You can use your own imagination…realizing that within troubleshooting…depending on the outcome we may want…to some kind of logging on failure…or whether it's succeeds or it fails…then we want to make some kind of a log…or send them notification etcetera.…

Precedence constraints not only can be of a type…that is success, completion or failure…but within the precedence constraint editor…