code: function( DomainName, callback ){
  
  			var query = {
  				DomainName : DomainName
  
  			};
  
  			this.sdb.request('CreateDomain', query, function(err, result){
  
  				if(!err){
  
  					callback(false, 'ok');
  
  				}else{
  
  					callback(err, 'error');
  
  				}
  
  			});
  
  			return this;
  
  
  		}
docs: sdb.createDomain( ... );