Returns a list of the dashboards for your account. If you include
those dashboards with names starting with the prefix are listed. Otherwise, all dashboards in your account are
ListDashboards returns up to 1000 results on one page. If there
are more than 1000 dashboards, you can call
ListDashboards again and
include the value you received for
NextToken in the first call, to receive
the next 1000 results.