Explicit Name
ExpilcitName is a configuration paramater which can be added to a module, It allows change in the test step value's name, which reflects technical identification.
Explicit Name allows tosca to steer the object using the index considering any dynamic changes. We can utilize Explicit Name Configuration parameter by going to step that contains Module attributes and replacing the name with index number .
Set the ExplictName Configuration Parameter on a Module Attribute and use within a TestStep.
Dynamic Id
Dynamic ID is a term for a value of a property on a module attribute that can change during each distinct run.
This can achieved by using various dynamic expressions in Tosca.