The DashboardParameter interface includes various settings.

Table: DashboardParameter

idstringyes The unique identifier for the dashboard parameter.
labelstringyes The label or 'name' displayed next to the input for the variable to make it more human-readable.
orderinteger  The order in which parameters are displayed on a dashboard. If null, the parameter is ordered after other parameters in alphanumerical order.

[a] Some arguments may be required, as indicated in this column. For some fields, this column indicates that a result will always be returned for it.