# add method

void add(

1. String propertyName,
2. Object? propertyValue, {
3. String? qualifiedName,
4. String? packageName,

})

Add a PropertyValue object by name and value.

`propertyName`: The name of the property `propertyValue`: The value of the property

Example:

    propertyValues.add('host', 'localhost');
    propertyValues.add('port', 8080);

## Implementation

    void add(String propertyName, Object? propertyValue, {String? qualifiedName, String? packageName}) {
      addPropertyValue(PropertyValue(propertyName, propertyValue, qualifiedName: qualifiedName, packageName: packageName));
    }