# 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) } } ```