<CreateDialog>

import {
    List,
    Datagrid,
    SimpleForm,
    TextInput,
    DateInput,
    DateField,
    required,
} from 'react-admin';
import { CreateDialog } from '@react-admin/ra-form-layout';

const CustomerList = () => (
    <>
        <List>
            <Datagrid>
                ...
            </Datagrid>
        </List>
        <CreateDialog>
            <SimpleForm>
                <TextInput source="first_name" validate={required()} />
                <TextInput source="last_name" validate={required()} />
                <DateInput source="date_of_birth" />
            </SimpleForm>
        </CreateDialog>
    </>
);