Get or set log record layout — log_layout • logger

Get or set log record layout

Usage

log_layout(layout = NULL, namespace = "global", index = 1)

Arguments

layout: function defining the structure of a log record, eg layout_simple(), layout_glue() or layout_glue_colors(), layout_json(), or generator functions such as layout_glue_generator(), default NULL
namespace: logger namespace
index: index of the logger within the namespace

See also

Other log configutation functions: log_appender(), log_formatter(), log_threshold()

Examples

log_layout(layout_json())
log_info(42)
#> {"time":"2025-10-30 21:00:53","level":"INFO","ns":"global","ans":"global","topenv":"R_GlobalEnv","fn":"eval","node":"runnervmwhb2z","arch":"x86_64","os_name":"Linux","os_release":"6.11.0-1018-azure","os_version":"#18~24.04.1-Ubuntu SMP Sat Jun 28 04:46:03 UTC 2025","pid":9787,"user":"runner","msg":"42"}