code: func (h *Handler) GetUserRole(tkn string) (*string, error) {
  	logger := h.logger.Add("method", "GetUserRole")
  
  	if !h.token.Check(tkn) {
  		logger.Warn("access denied")
  		return nil, ErrAccessDenied
  	}
  
  	return &h.userRole, nil
  }
docs: // GetUserRole returns user role.