Just starting - Advanced Pipeline tutorial issue

Elastic Stack Logstash
3

Here it is.

#The # character at the beginning of a line indicates a comment. Use
# comments to describe your configuration.
input {
  file {
    path => "logstash-tutorial.log"
    start_position => beginning
    ignore_older => 0
}
filter {
    grok {
        match => { "message" => "%{COMBINEDAPACHELOG}"}
    }
}
output {
  stdout { }
}