# Logstash - Validate the value of a field from the last ingest against the previous one

**URL:** <https://discuss.elastic.co/t/logstash-validate-the-value-of-a-field-from-the-last-ingest-against-the-previous-one/267679>\
**Category:** Elasticsearch\
**Created:** [March 18, 2021, 2:06pm UTC](https://discuss.elastic.co/t/logstash-validate-the-value-of-a-field-from-the-last-ingest-against-the-previous-one/267679 "2021-03-18T14:06:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Oscar\_Lopez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/oscar_lopez/32/81334_2.png) [@Oscar\_Lopez](https://discuss.elastic.co/u/Oscar_Lopez)\
**Post date:** [March 18, 2021, 2:06pm UTC](https://discuss.elastic.co/t/logstash-validate-the-value-of-a-field-from-the-last-ingest-against-the-previous-one/267679/1 "2021-03-18T14:06:55Z")

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Good day  
At the moment in elastic search I am ingesting data from several weblogic servers, and for the data sources I want to make a graph where I can identify when an application changes version. At the moment in a field called body.items.name I am capturing the name and in a field called version I capture the version of the application, someone can help me with a suggestion how I can solve this use case, if with Kibana it can be done validation or with Logstahs can I validate and compare a value at two different ingest times?

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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 15, 2021, 2:07pm UTC](https://discuss.elastic.co/t/logstash-validate-the-value-of-a-field-from-the-last-ingest-against-the-previous-one/267679/2 "2021-04-15T14:07:50Z")

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