# Unable to get filename pattern from log.file.path value
**URL:** https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541
**Category:** Logstash
**Created:** [October 21, 2019, 7:19pm UTC](https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541 "2019-10-21T19:19:50Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@durgaram](https://discuss.elastic.co/u/durgaram)
#### Post date: [October 21, 2019, 7:19pm UTC](https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541/1 "2019-10-21T19:19:50Z")
Hi
The following pattern in logstash conf not extracting the logappname value.
grok {
match =\> { "log.file.path" =\> "%{GREEDYDATA:logappname}"}
}
filebeat value is "log.file.path: C:\Data\Logs\Test\_1.log"
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### Author:  [@Badger](https://discuss.elastic.co/u/Badger)
#### Post date: [October 21, 2019, 7:45pm UTC](https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541/2 "2019-10-21T19:45:31Z")
Most likely that should be [log][file][path] rather than log.file.path (logstash does not use the same syntax for nested fields that kibana uses).
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### Author:  [@durgaram](https://discuss.elastic.co/u/durgaram)
#### Post date: [October 22, 2019, 9:42am UTC](https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541/3 "2019-10-22T09:42:40Z")
Thanks Lot. It's working fine!
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [November 19, 2019, 9:42am UTC](https://discuss.elastic.co/t/unable-to-get-filename-pattern-from-log-file-path-value/204541/4 "2019-11-19T09:42:40Z")
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