# IBM Visualization Data Explorer User's Guide

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## Changes to Get and Set modules

In this release, the Get and Set modules have been replaced by GetLocal/SetLocal and GetGlobal/SetGlobal. Briefly, the difference between these pairs of modules is that the Global pair maintains state between executions, while the Local pair do not. (Remember that a single loop in the visual program is considered a single execution). If you do not do anything to modify your visual program, any Get/Set pairs which you have will be replaced by GetGlobal and SetGlobal, and the visual program will run as it did before. However, in many cases you can replace your Get/Set pair by GetLocal and SetLocal for performance advantages. One way to know if you can do this is if you are using the First module to reset Get on each execution. If so, then you can certainly replace your Get and Set by GetLocal and SetLocal (and the First module is no longer necessary, as GetLocal automatically resets on each new execution).

See GetLocal, SetLocal, GetGlobal, and SetGlobal in IBM Visualization Data Explorer User's Reference for more detailed information.

`Assign Get/Set Scope -> Convert All modules` under the Edit pulldown in the VPE is available for helping change Get/Set modules to the new GetGlobal/SetGlobal, GetLocal/SetLocal options.

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