# List of values management
Users can specify a drop-down list of pre-defined values for both Table and Filter portlets. This pre-defined list is called a list of values. When used, the list of values will limit what a user can enter in a specific field.
To add a new list of values, go to *Settings* then *Lists of Values*. Click the *Manage* button.
Click the + icon to add a new list of values, then select the data source:
* Database: add name, connector and select statement.
* Workflow: create a workflow with output and connect it to the list of values using the drop-down list. The workflow can also be created and connected directly from the list of values by clicking New - Add a name - Create.
Click *execute,* add the text and value columns, then save.
* Text column: the value which will be shown in the drop down when using the list of values.
* Value column: the value which will be sent as the filter value
To edit an existing list of values, just click on the list of values in question and edit.
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