def add_tab(name, value)
      return if name.nil?

      if value.is_a? Hash
        meta_data[name] ||= {}
        meta_data[name].merge! value
      else
        meta_data["custom"] = {} unless meta_data["custom"]

        meta_data["custom"][name.to_s] = value
      end
    end
def add_tab(name, value)
      return if name.nil?

      if value.is_a? Hash
        meta_data[name] ||= {}
        meta_data[name].merge! value
      else
        meta_data["custom"] = {} unless meta_data["custom"]

        meta_data["custom"][name.to_s] = value
      end
    end
Initializes a new report from an exception.

 Add a new metadata tab to this notification.