The Tree element cannot be used as a special list. Data table is a dependent element. Datasource and other connections from Properties → Options must be made correctly and completely.
Actions: This is the field where the data to be connected to the Tree element is defined/selected.
Field to displayId: By selecting one of the columns in the Datasource, the retrieved data is displayed. In the image above, the database column to be displayed as a name is selected.
Field to Use as Key: This is the part where you select the data type you want to use as key in the retrieved data. Guid is usually selected.
Field to Use as Parent: Parent Id is selected in this field for the data to be extracted. The order of the data is determined with this value. If you want the data to be displayed at the top, not under any parent, the value of parent Id should be returned null.
