36 lines
881 B
Markdown
36 lines
881 B
Markdown
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---
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title: engine
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id: engine
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weight: 30
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draft: false
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author: "people"
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---
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## NAME
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engine
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## SYNOPSIS
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get and set the output engine
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## USAGE
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```
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local log = require "lib/dtutils.log"
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result = log.engine(level, ...)
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```
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**level** - _table_ - the log level to get or set the engine for, one of log.debug, log.info, log.warn, log.error
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log.success, log.always, log.screen, log.critical
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**...** - _function_ - the output function, one of dt.print, dt.print_error, dt.print_log, print
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if not function is included, the current engine is returned for the specified log level
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## DESCRIPTION
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**engine** returns the output engine for the specified log level if a second argument is not
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supplied. If a function is supplied as the second argment, then the output engine for the specified log level
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is set to that.
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## RETURN VALUE
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**result** - _function_ - the current output engine
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