# Logstash multiple expressions in a single condition

**URL:** <https://discuss.elastic.co/t/logstash-multiple-expressions-in-a-single-condition/77848>\
**Category:** Logstash\
**Created:** [March 8, 2017, 4:21pm UTC](https://discuss.elastic.co/t/logstash-multiple-expressions-in-a-single-condition/77848 "2017-03-08T16:21:49Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![capsno1](https://avatars.discourse-cdn.com/v4/letter/c/65b543/32.png) [@capsno1](https://discuss.elastic.co/u/capsno1)\
**Post date:** [March 8, 2017, 4:21pm UTC](https://discuss.elastic.co/t/logstash-multiple-expressions-in-a-single-condition/77848/1 "2017-03-08T16:21:49Z")

</div>

quick question:

Would this be the correct way to place multiple expressions in a single condition?

if [EMS\_Identifier] == "monitor.globalStatus.nonCritical" and "disk" in [syslog\_message] and "failed" in [syslog\_message] {  
mutate {  
add\_tag =\> ["RAID\_Disk\_FAILED"]  
}  
}

---

<div class="post-metadata">

**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [March 9, 2017, 6:52pm UTC](https://discuss.elastic.co/t/logstash-multiple-expressions-in-a-single-condition/77848/2 "2017-03-09T18:52:38Z")

</div>

Yes, that looks okay.

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 6, 2017, 6:52pm UTC](https://discuss.elastic.co/t/logstash-multiple-expressions-in-a-single-condition/77848/3 "2017-04-06T18:52:53Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.