MarkLogic 12 EA 1 Product Documentation
xdmp.serverName

xdmp.serverName(
   id as (Number|String)
) as String

Return the name of the App Server, XDBC Server, ODBC Server, or Task Server with the given ID.

Parameters
id	An App Server, XDBC Server, ODBC Server, or Task Server ID.

xdmp.serverName(845637403676198);
=> "Docs"

MarkLogic 12 EA 1 Product Documentationxdmp.serverName