{{ transformations:AnonymizeHashAction.png}}
====== ANONYMIZE/HASH ======
Category: Transform / Advanced\\

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=====Description=====
This action deterministically calculates hashes for values in one or multiple columns.

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=====Use Cases=====
Using this action, you can anonymize data without affecting its cardinality so it can be used for merging and aggregation.
 

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===== Action settings =====

^ Setting  ^ Description ^
|New column name|Enter a name for the new column containing the hashes.  |
|Position| Select where the new column will be positioned in the dataset.  Options:  //Rightmost//, //Leftmost//, or\\ //After column// (and select an existing column).  |
|Salt|Check this option and enter a salt value to be used within the creation of the hashes.  |
|Anonymize also empty values|Check this option to generate hashes for empty values.|  
|Columns|Select the columns from the list to be anonymized/hashed.|

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=====Examples=====

====Example #1====
>Create hash values for the following records of personal information.

===Before (source table)===
^FirstInit ^LastName  ^
|G  |Smith |
|M  |Torres |
|R  |Burke |

===After (result table)===
^FirstInit ^LastName  ^Hash ^
|G  |Smith |**MbUVm13bfrvQO7uiTs+XzQ**  |
|M  |Torres |**3lO2kZjJItmnE2EqgtE0LA**  |
|R  |Burke |**zQhY9YonjxxYdlHeSZtFhg**  |

===Action parameters===
>New column name: Hash
>Position: Rightmost
>Columns: FirstInit, LastName