<Formik 
    initialValues={{subject:""}}
    onSubmit={(values) => onSubmit(values, 'subject')}>
    {() => (
        <Form>
            <Grid gap={4}>
                <FormField 
                    type='text' 
                    required 
                    name='subject' 
                    label='Subject'
                />
                <Button 
                    type='submit' 
                    size='xs' 
                    colorScheme='green' 
                    justifySelf='flex-end'>
                    Submit
                </Button>
            </Grid>
        </Form>
    )}
</Formik>