function Yourcomponent(props){
const methods = useForm();
const { handleSubmit } = methods;
const options = [
{ value: '1', label: 'Apple'},
{ value: '2', label: 'Ball'},
{ value: '3', label: 'Cat'},
];
const default_value = 1;
function submitHandler(formData){
}
return(
<div>
{* other part of your component *}
<form onSubmit={handleSubmit(submitHandler)} >
{* other part of your form *}
<Controller
control={methods.control}
defaultValue={default_value}
name="field_name_product"
render={({ onChange, value, name, ref }) => (
<Select
inputRef={ref}
classNamePrefix="addl-class"
options={options}
value={options.find(c => c.value === value)}
onChange={val => onChange(val.value)}
/>
)}
/>
{* other part of your form *}
</form>
{* other part of your component *}
</div>
)
}