The Logs tab is available, if has been activated in the current Run/Debug configuration. This tab is named after the log file. If there are multiple log files enabled for a run/debug configuration, the tab's name is composed of all the log file names delimited with the "|" characters; so doing, each specific log is displayed in its own tab:
The logs can contain messages of the following types:
Use the drop-down list of available message types to filter the log output and navigate through the messages.
Use the text field to type a string to find, and press Enter to start the search.
Click to reveal to history of searches.
Click to clear the text field.