# Filebeat 1.0.1: Field Definitions

**URL:** <https://discuss.elastic.co/t/filebeat-1-0-1-field-definitions/40454>\
**Category:** Beats\
**Created:** [January 29, 2016, 8:05am UTC](https://discuss.elastic.co/t/filebeat-1-0-1-field-definitions/40454 "2016-01-29T08:05:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dawiro](https://avatars.discourse-cdn.com/v4/letter/d/71e660/32.png) [@dawiro](https://discuss.elastic.co/u/dawiro)\
**Post date:** [January 29, 2016, 8:05am UTC](https://discuss.elastic.co/t/filebeat-1-0-1-field-definitions/40454/1 "2016-01-29T08:05:48Z")

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Hi,  
I have noticed that I cannot define a custom field as an array in the filebeat config. For example:

custom\_field:

- field 1
- field 2

...doesn't throw an error, but the definition is ignored. How does filebeat treat arrays?

Regards,  
David

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**Author:** ![steffens](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/steffens/32/79630_2.png) [@steffens](https://discuss.elastic.co/u/steffens)\
**Post date:** [January 29, 2016, 3:24pm UTC](https://discuss.elastic.co/t/filebeat-1-0-1-field-definitions/40454/2 "2016-01-29T15:24:49Z")

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upcoming version 1.1 will improve custom fields support to allow for more generic types.

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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:** [July 5, 2017, 9:56pm UTC](https://discuss.elastic.co/t/filebeat-1-0-1-field-definitions/40454/3 "2017-07-05T21:56:10Z")

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