This post provides steps to use variables (User Variable, Package Parameter and Project Parameter) in the script component and viewing the updated value using Breakpoint and Watch window.
|UserVar||It is like a local variable used inside a package. Its value can be read and modified in script task|
|Result||It is a local variable which will hold the concatenated result. Its value can be read and modified in script task|
|PackageVar||It is package parameter, which can be shared between packages. Its value is read only inside script component|
|ProjectParm||It is project parameter, which is available after deployment as a configuration. Its value is read only inside the script component|