How to use the tinacms.useForm function in tinacms

field.name === 'frontmatter' ||
        field.name.startsWith('frontmatter.')
      ) {
        return {
          ...field,
          name: field.name.replace('frontmatter', 'rawFrontmatter'),
        }
      }
      return field
    })

    return fields
  }, [formOverrrides.fields])

  /* eslint-disable-next-line react-hooks/rules-of-hooks */
  const [, form] = useForm(
    {
      label,
      id,
      initialValues: valuesInGit,
      fields,
      onSubmit(data) {
        return cms.api.git.onSubmit!({
          files: [data.fileRelativePath],
          message: data.__commit_message || 'Tina commit',
          name: data.__commit_name,
          email: data.__commit_email,
        })
      },
      reset() {
        return cms.api.git.reset({ files: [id] })
      },