How to query in Discover's classic mode

Classic mode in Discover works on a data view, a definition of the data to query, usually saved, such as all your web logs. You search the data with Kibana Query Language (KQL) or Lucene, two search syntaxes, and narrow the results with filters.

Set up and run a classic query

Select a data view and a time range to select the data you explore.
Search with KQL or Lucene and narrow the results with filters.
Add runtime fields to your data views.
Switch to ES|QL mode and see how Discover converts your search and filters into an ES|QL query.