# Initializing variable in ruby logstash filter

**URL:** <https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875>\
**Category:** Logstash\
**Created:** [May 10, 2020, 7:16am UTC](https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875 "2020-05-10T07:16:00Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![sajjad0927](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@sajjad0927](https://discuss.elastic.co/u/sajjad0927)\
**Post date:** [May 10, 2020, 7:16am UTC](https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875/1 "2020-05-10T07:16:00Z")

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`Can I do multiple initialization in logstash ruby filter like below. For me it is giving error`

```auto
  ruby
  {
         init => "@buffer = 377"
         init => "@buffer1 = 477"
         code => "

```

---

<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [May 10, 2020, 5:38pm UTC](https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875/2 "2020-05-10T17:38:38Z")

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Why not just do this?

```
init => '
    @buffer = 377
    @buffer1 = 477
'
```

---

<div class="post-metadata">

**Author:** ![sajjad0927](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@sajjad0927](https://discuss.elastic.co/u/sajjad0927)\
**Post date:** [May 11, 2020, 2:20am UTC](https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875/3 "2020-05-11T02:20:16Z")

</div>

`Thanks it worked`

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<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:** [June 8, 2020, 2:20am UTC](https://discuss.elastic.co/t/initializing-variable-in-ruby-logstash-filter/231875/4 "2020-06-08T02:20:26Z")

</div>

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