React-Admin - how to populate form fields via Event onChange?

Question

React

Hello everyone,

is there any way to fill the form fields through the onChange Event?

ReferenceInput pulls out data about the user, I would like to fill in the

Version Form with this data: [email protected]^3.7.1:

<ReferenceInput label="User" source="user.id" onChange={handleChange} reference="user">
                            <SelectInput fullWidth optionText="lastname"/>
</ReferenceInput>