
admin.hostExists( config as element(configuration), host-name as String ) as Boolean
  This function determines whether or not the specified Host
  exists.  Returns true if the Host exists, otherwise
  false is returned.
  
| Parameters | |
|---|---|
| config | A configuration specification, typically as returned from one of the Admin module functions. | 
| host-name | The name of the host to check. | 
  
  const admin = require('/MarkLogic/admin.xqy');
  const config = admin.getConfiguration()
  admin.hostExists(config, "hp6910624v64b.marklogic.com")
   //Returns true, if the specified host exists.