# `GSFontMaster setMetricValue:forId:`

*Instance Method*

## Declaration

```swift
func setMetricValue(_ object: GSMetricStore?, forId ID: String)
```

```objc
- (void) setMetricValue:(GSMetricStore *) object forId:(NSString *) ID;
```

```python
setMetricValue_forId_(object: GSMetricStore, ID: str)
```