This option controls whether a search package or data source can be deleted from the administration dashboard.
The following values are accepted:
true: the collection can not be deleted from the administration dashboard.
false: the collection can deleted from the administration dashboard.
Set this configuration key in the search package or data source configuration.
Use the configuration key editor to add or edit the
admin.undeletable key, and set the value. This can be set to any valid
Ensure that a data source or search package can not be deleted via the administration dashboard: