function searchRecord(recordType, savedSearch, arrFilters, arrColumns,
        filterExpression)
{

	try {
		var search = null;

		// if a saved search is provided, load it and add the filters and
		// columns
		if (isNotEmpty(savedSearch)) {
			search = nlapiLoadSearch(recordType, savedSearch);

			if (isArrayNotEmpty(arrFilters)) {
				search.addFilters(arrFilters);
			}

			if (isArrayNotEmpty(arrColumns)) {
				search.addColumns(arrColumns);
			}

			if (isArrayNotEmpty(filterExpression)) {
				search.setFilterExpression(filterExpression);
			}
		}
		// create a new search
		else {
			search = nlapiCreateSearch(recordType, arrFilters, arrColumns);
		}

		// run search
		var resultSet = search.runSearch();

		// iterate through the search and get all data 1000 at a time
		var searchResultCount = 0;
		var resultSlice = null;
		var searchResult = [];

		do {
			resultSlice = resultSet.getResults(searchResultCount,
			        searchResultCount + 1000);

			if (resultSlice) {

				resultSlice.forEach(function(result) {

					searchResult.push(result);
					searchResultCount++;
				});
			}
		} while (isArrayNotEmpty(resultSlice) && resultSlice.length >= 1000);

		return searchResult;
	} catch (err) {
		nlapiLogExecution('ERROR', 'searchRecord', err);
		throw err;
	}
}