# GetBondClassSummaryInfo

### Function specification

```
GetBondClassSummaryInfo(class_codes)
```

###

### Parameters

| Parameter    | Type   | Description |
| ------------ | ------ | ----------- |
| class\_codes | string | 채권 클래스 코드   |

###

### Examples

```
> GetBondClassSummaryInfo("7040113")
...
class_code	count	avg_ytm	avg_maturity	total_issue_size
7040113	335	1.74	2.55	34,778,000,000,000

```