# Hash processor
Hides the original data by modifying it through hashing.
The Hash processor allows you to alter the value of your data in order to protect it in a transformation flow.
## Hash properties
Properties to configure to hash your data.
Configuration
| Property | Configuration |
| --- | --- |
| Function name | Hash data: Select this function to hash the content of a column using the SHA-256 algorithm. |
| Columns to process | Select the column or columns on which you want to apply a function in the list.
Information note
If you want to apply the same function to multiple columns at once, clickthe Open dialog icon to open a tree view that allows you to select multiple columns. |
| Create new column | Enable this option to create a new column after applying the function. If you do not enable this option, the existing column will be kept and modified. |
| Rename new column | Give a custom name to the newly created column. |
To rename the processor, click the Edit icon that is displayed when hovering over the default name of the processor.
To edit its description, click the Edit icon that is displayed when hovering over Description.