• User Info
• ---
• Add event handler "ON DEAL ADD"
• Remove event handler "ON DEAL ADD"
• ---
• ---
• Add event handler "ON RECURRING DEAL ADD"
• Remove event handler "ON RECURRING DEAL ADD"
• ---
• ---
• Add event handler "ON INVOICE UPDATE"
• Remove event handler "ON INVOICE UPDATE"
• ---
• ---
• Show all binded events
• ---

array (
  'error' => 'no_install_app',
  'error_information' => 'error install app, pls install local application ',
)