# Duplicate field - Plugin custom

**URL:** <https://discuss.elastic.co/t/duplicate-field-plugin-custom/175078>\
**Category:** Elasticsearch\
**Created:** [April 2, 2019, 9:53pm UTC](https://discuss.elastic.co/t/duplicate-field-plugin-custom/175078 "2019-04-02T21:53:45Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![EliuFlorez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/eliuflorez/32/40884_2.png) [@EliuFlorez](https://discuss.elastic.co/u/EliuFlorez)\
**Post date:** [April 4, 2019, 2:47pm UTC](https://discuss.elastic.co/t/duplicate-field-plugin-custom/175078/5 "2019-04-04T14:47:42Z")

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Hello brot. can you help me with this please! 🙂

> [@Plugin Custom - Multi Source?](https://discuss.elastic.co/t/plugin-custom-multi-source/175439):
>
> Hi guys, I've been almost 1 month trying to migrate a plugin developed in 5.4 from elasticsearch to 6.6. What I want is to establish different sources of which in each one the dates entered are verified to show the available calendar or events or events that have not yet expired. Then an abstract method was created for each of the scripts by setting the "NativeScriptFactory" and. Plugin: import org.devmaster.elasticsearch.index.mapper.RecurringFieldMapper; import org.devmaster.elasticsearch.s…

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