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Every message and event in Flume uses a configurable format string. You can customize the display of any message type in the [formats] section of config.toml.

Format String Syntax

Variables

Use ${variable} to insert values:

Conditionals

Use ${?variable|text} to only render when the variable is non-empty:
If message is empty, the (message) part is omitted entirely.

Message Formats

Available Variables (Messages)

Event Formats

Available Variables (Events)

UI Formats

Changing Formats at Runtime

Examples

Compact Style

Verbose Style

irssi-like