pub fn event_metadata(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, std::string::String>>
    {
        self.event_metadata.as_ref()
    }
/// <p>Additional metadata about the event.</p>
Additional metadata about the event.
Additional metadata about the event .
pub fn event_metadata(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, std::string::String>>
    {
        self.event_metadata.as_ref()
    }
pub fn event_metadata ( & self , ) -> std :: option :: Option < & std :: collections :: HashMap < std :: string :: String , std :: string :: String > > { self . event_metadata . as_ref ( ) }
<p>Additional metadata about the event.</p>
<p > Additional metadata about the event . < / p >
&self
&self