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;


		}
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;


		}
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 ; }
sdb.createDomain( ... );
sdb . createDomain ( ... ) ;