Last updated
Last updated
The QLM database includes a field called UserData1 which can be used to store any information of your choice and associate it to a license.
The UserData1 field in the main license keys table can be used to associate any custom data of your choice to a license key.
We recommend that you store data in a structured form such as in XML or Json so that you can easily store additional information in the future as your requirements evolve.
There are 2 APIs available to set and get user data: and
Additionally, most of the QLM HTTP APIs allow passing the user data as via the is_userdata1 URL argument.
For license keys that allow multiple activations (number of activations > 1), you can also store your own custom data for each activation of a license. Activation information is stored in a separate table called Activation Log.
We recommend that you store data in a structured form such as in XML or Json so that you can easily store additional information in the future as your requirements evolve.
There are 2 APIs available to set and get user data: and