Changes to a reusable transformation that you enter through the Transformation Developer are immediately reflected in all instances of that transformation. While this feature is a powerful way to save work and enforce standards (for example, by publishing the official version of a depreciation calculation through a reusable transformation), you risk invalidating mappings when you modify a reusable transformation.
To see what mappings, mapplets, or shortcuts may be affected by changes you make to a transformation, select the transformation in the workspace or Navigator, right-click, and select View Dependencies.
If you make any of the following changes to the reusable transformation, mappings that use instances of it may be invalidated:
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