An advanced plugin selection option is the way to go. You need to select Extended Choice Parameter from the drop-down list as shown below:

In the Name text box, enter a name. For example, Wednesday. This is the name with which you will access all the values ββ(dev1, dev2, ...) that you select when you run the assembly. Now, in the Simple Parameter Types section, you will see another drop-down menu named Parameter Type . Select Multi Select from this drop-down list. Now, in the Choose Source for Value section, enter the values ββ(dev1, dev2, qa1, qa2, ...) in the Value field. Comma (,) is the default delimiter. See screenshot below:

Once you are done with the above settings, you will need to access the selected parameter in the script (using the variable assigned by Name , as described above) and decide the course of action.
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