Logging an event

log_event logs an event into R console, browser JavaScript console, file, or database depending on user's settings (see set_logging).

log_event(..., name = NULL, type = "EVENT", status = "FIRED",
  params = NULL, event_counter = NULL)

Arguments

...	Objects that are evaluated, coerced into character string, collapsed and pasted into log entry body (or header if name is NULL).
name	A character string. The name of the event.
type	A character string. A type of the event. Default is "EVENT".
status	A character string. A status of the event. Default is "FIRED".
params	A list of additional named event-specific parameters. Default is NULL.
event_counter	An integer. The number of the event. Default is NULL which will be replaced by the current value of the counter returned by the internal getter function get_event_counter.

See also

set_logging for setting event logging, log_init for initialize JavaScript logging in shiny app, log_params for setting scope-specific event parameters, read_eventlog for reading eventlog from a file or a database.

Other logging events functions: log_message, log_output, log_started, log_test, log_value

Examples

if (interactive()) {
  set_logging()
  shiny::shinyApp(
    ui = shiny::fluidPage(log_init()),
    server = function(input, output) {
      set_logging_session()
      log_event("Event 1")
      log_event("Event 2 body", name = "Event 2")
      log_event("Event 3", type = "NewTYPE")
      log_event("Event 4", status = "EXECUTED")
      log_event("Event 5", event_counter = 123)
    }
  )
}