# Digital Signature

## Assign a user's private key to a method of use

| The requirement for this example is that the private key for the user SAMPLE has already been imported, as described in Import a private key from a private exchange file.
| Select Manager > Digital Signature > Applications. The combined form Applications (Digital Signature) is opened.
| Search for the usage RELEASE with the additional usage ART, to enable the user to sign items.
| By specifying an additional usage it is possible to limit the release signature. Following the example down to the end, the user will only be able to sign items. If the user shall be able to sign projects and documents as well, select the usage RELEASE with the additional usage NONE. To enable a user to use his or her own password, it is necessary to enter the certificate in the same usage and additional usage.
| Switch to the sub mask Keys.
| Switch to the Insert Mode above the context menu or the button .
| Switch to the field User Id.
| Click on the button . The user list is opened.
| Use the search function to display the data for the user DEMOEP.
| Highlight the entry.
| Select Take Entry from the context menu. The list is closed and the entry is used.
| Save the entry with the button .
| Here is an overview of the entries:
| In addition to these entries you can activate the field Save Password (Configuration parameter EDB-SIG-SAVE-PWD). This is advantageous for the user because he does not need to enter the password for each release.