...
SchematicStatusDisplay (SSD): an option <panelId> to open a specific SSD panel. If no panelId is configured, or if a non-existing panelId is entered, the first SSD panel will be opened
Since the 2021.02 release, other than using <mainPanel> or <displayConfigFileName>, it is also possible to configure <explorerTaskName>, which would refer to the name attribute of explorerTask (for example <explorerTask name="Spatial Display">) configured in Explorer.xml.
An example from Topology.xml c.q. TopologyGroup.xml is shown below:
...