# About Elasticsearch LTR plugin

**URL:** <https://discuss.elastic.co/t/about-elasticsearch-ltr-plugin/171059>\
**Category:** Elasticsearch\
**Created:** [March 6, 2019, 9:09am UTC](https://discuss.elastic.co/t/about-elasticsearch-ltr-plugin/171059 "2019-03-06T09:09:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jitendra\_Singh](https://avatars.discourse-cdn.com/v4/letter/j/dec6dc/32.png) [@Jitendra\_Singh](https://discuss.elastic.co/u/Jitendra_Singh)\
**Post date:** [March 6, 2019, 9:09am UTC](https://discuss.elastic.co/t/about-elasticsearch-ltr-plugin/171059/1 "2019-03-06T09:09:31Z")

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Hi Everyone,

I would like to know if it's possible to pass features in LTR model which are not part of documents and can't be derived from existing fields. Assume these as external feature like query length.

Please suggest any alternate way to do this.

Thanks in advance.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 3, 2019, 9:09am UTC](https://discuss.elastic.co/t/about-elasticsearch-ltr-plugin/171059/2 "2019-04-03T09:09:34Z")

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Closed on April 3, 2019, 9:09am UTC

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