View product family ingredient change history
In PV, every company product should belong to a product family that shares the same key ingredient and data sheets but can have a different concentration for the active ingredient.
Once a new product family is configured, there might be the need to view the structured information about all changes performed with the ingredient. For this purpose, you can use the Change History feature.
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In the PV application header, select the PRODUCT tab.
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On the page that opens, from the left pane, select the product family for which you need to view the ingredient change history.
Figure 1. Selecting product family
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On the Product Family form page that opens, go to the Ingredient block and in the table, next to the ingredient of your interest, select More
> Change History 
.
Figure 2. Accessing ingredient change history
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In the Change History dialog that opens, view structured information about all changes performed with the ingredient. You can see who and when made the change, the action type, and so on.
Figure 3. Viewing ingredient change history
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Select
to close the dialog.
You have successfully viewed the change history for your product family ingredient.