# x-initializer
## Built-in x-initializer component
- BlockInitializers
- CalendarActionInitializers
- CreateFormBlockInitializers
- CustomFormItemInitializers
- DetailsActionInitializers
- FormActionInitializers
- FormItemInitializers
- KanbanActionInitializers
- ReadPrettyFormActionInitializers
- ReadPrettyFormItemInitializers
- RecordBlockInitializers
- RecordFormBlockInitializers
- SubTableActionInitializers
- TableActionColumnInitializers
- TableActionInitializers
- TableColumnInitializers
- TableSelectorInitializers
- TabPaneInitializers
## Replacement
```tsx |pure
import React, { useContext } from 'react';
import { Plugin } from '@nocobase/client';
class MyPlugin extends Plugin {
async load() {
this.app.schemaInitializerManager.add('BlockInitializers', BlockInitializers)
}
```