We distinguish the following kinds of parameters, depending on their product installation impact and visibility within the PIF product:
Specifies that the parameter is valid only for the product itself. Private parameters can be modified by product-specific installation scripts only.
Specifies that the parameter is valid for the product and all its required products. In the required products the access is restricted to "read-only." Published parameters can be set in the main product and in subsequent PIF packages if the parameter has not been already set in a package at a higher level.
Specifies that the parameter is valid for all product installations. Once set a global parameter cannot be changed anymore unless all products using this parameter are removed. A global parameter can be removed only if no other user references it.
Important! Take care when using parameters to configure the PIF product itself. In this case, you should use private parameters only, because these cannot be changed by other product installations.
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