# Logging

**URL:** https://www.finalbuilder.com/forums/t/logging/2411
**Category:** Discussion
**Created:** [August 26, 2015, 11:52am UTC](https://www.finalbuilder.com/forums/t/logging/2411 "2015-08-26T11:52:04Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![amccool](https://www.finalbuilder.com/forums/letter_avatar_proxy/v4/letter/a/278dde/32.png) [@amccool](https://www.finalbuilder.com/forums/u/amccool)
#### Post date: [August 26, 2015, 11:52am UTC](https://www.finalbuilder.com/forums/t/logging/2411/1 "2015-08-26T11:52:04Z")

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I’m using FinalBuilder from within a TFSBuild.  
  
how can I log variable, and/or string format statement into the outputted logs?

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### Author: ![nevar](https://www.finalbuilder.com/forums/letter_avatar_proxy/v4/letter/n/c4cdca/32.png) [@nevar](https://www.finalbuilder.com/forums/u/nevar)
#### Post date: [August 27, 2015, 1:19am UTC](https://www.finalbuilder.com/forums/t/logging/2411/2 "2015-08-27T01:19:06Z")

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The log variable action will do what you require. All output from actions is written to the TFS logs.