# Logging Agent

Substation ES Logging Agent processes requests for log entries, constructs the log header information, formats the input, and writes the input to the designated device.

Log entries represent individual events that are recorded at specific points while Substation ES is active. A log entry consists of a header and a variable data portion. Log entries are grouped into either escalated or selectable categories. An escalated category stipulates that log events are increased as the level value specified by the user is raised. The selectable category includes log entries that are written at specific focus points within the execution thread in the region where Substation ES operates.

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