Automation Script Variable Binding for System Property - INOUT?

Question

I have a need to set a System Property value within an Automation Script. There is an option to have a Script Variable with binding type of SYSPROP and it does allow me to set the variable type to INOUT; however, will that actually work? IBM's documentation on SYSPROP binding types does not tell us much. I assume we can read System Property values just fine, but what about the INOUT variable type and setting the System Property value using the script variable?

Answer

I did some testing with Automation Scripts having a Script Variable with Variable Type set to INOUT and Binding Type set to SYSPROP and it seems that INOUT doesn't work with SYSPROP (as if SYSPROP can only be readonly [IN]), even though it is allows to be configured that way.

Alternatively, I used the MBO framework (MboSet, Mbo, etc) to write code that retrieves the MAXPROPVALUE Mbo via MboSet.getMbo(0) with an appropriate WHERE clause. I was able to write code to set the PROPVALUE on the MAXPROPVALUE Mbo and saved via MboSet.Save(). Now, I've also figured out that I can use MXServer instance to force the reloading of the MAXPROP cache for the specific System Property that I've updated. I hope you find this to be helpful.

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