# Log : EdgerOS system log

This module provides a unified interface for EdgerOS operating system event log recording. System privileged apps and services can record important system operation logs through this interface. This module is provided in EdgerOS 2.1.4 and later.

User can use the following code to import the log module.

var log = require('eos/log');

# Support

The following shows log module APIs available for each permissions.

# Log Object

# log.info(id, acoid, info[, extra])

• id {String} Event type ID.
• acoid {String} Operating account. Optional.
• info {String} Event information.
• extra {String} Other additional information. Optional.

Record a system Informaton type log. id specifies the type ID of this event, each type of event should use the same ID.

# log.warn(id, acoid, info[, extra])

• id {String} Event type ID.
• acoid {String} Operating account. Optional.
• info {String} Event information.
• extra {String} Other additional information. Optional.

Record a system Warning type log. id specifies the type ID of this event, each type of event should use the same ID.

# log.error(id, acoid, info[, extra])

• id {String} Event type ID.
• acoid {String} Operating account. Optional.
• info {String} Event information.
• extra {String} Other additional information. Optional.

Record a system Error type log. id specifies the type ID of this event, each type of event should use the same ID.