# addMapper method Null safety

void addMapper(

1. String actionType,
2. ActionModelMapper mapper

)

## Implementation

    void addMapper(String actionType, ActionModelMapper mapper) {
      mappers[actionType] = mapper;
    }

1. eliud_pkg_fundamentals
2. bespoke_models
3. ActionModelRegistry
4. addMapper method

##### ActionModelRegistry class

1. Properties
2. hashCode
3. mappers
4. runtimeType
5. Methods
6. addMapper
7. getMapper
8. noSuchMethod
9. toString
10. Operators
11. operator ==
12. Static methods
13. registry