# What line code below means on streaming-demo-view repo?

**URL:** <https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056>\
**Category:** GraphQL API\
**Tags:** support\
**Created:** [May 23, 2022, 5:08pm UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056 "2022-05-23T17:08:54Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![linthertoss](https://sea2.discourse-cdn.com/flex016/user_avatar/community.bitquery.io/linthertoss/32/559_2.png) [@linthertoss](https://community.bitquery.io/u/linthertoss)\
**Post date:** [May 23, 2022, 5:08pm UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056/1 "2022-05-23T17:08:54Z")

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Hello guys!

I am reading streaming-demo-view repo and see this line code below, but I don’t understand that means  
So can your guys tell me know what it means?

 ![image](https://us1.discourse-cdn.com/flex016/uploads/bitquery/original/1X/0aba2cfb9bb3265ed69e08c0a4fe98c66955e55b.png)

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**Author:** ![sayon-bitquery](https://sea2.discourse-cdn.com/flex016/user_avatar/community.bitquery.io/sayon-bitquery/32/522_2.png) [@sayon-bitquery](https://community.bitquery.io/u/sayon-bitquery)\
**Post date:** [May 23, 2022, 6:50pm UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056/2 "2022-05-23T18:50:55Z")

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Could you please share the repository you are referring to?

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<div class="post-metadata">

**Author:** ![linthertoss](https://sea2.discourse-cdn.com/flex016/user_avatar/community.bitquery.io/linthertoss/32/559_2.png) [@linthertoss](https://community.bitquery.io/u/linthertoss)\
**Post date:** [May 24, 2022, 1:33pm UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056/3 "2022-05-24T13:33:56Z")

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Yes,  
the repo: streaming-demo-view

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**Author:** ![sayon-bitquery](https://sea2.discourse-cdn.com/flex016/user_avatar/community.bitquery.io/sayon-bitquery/32/522_2.png) [@sayon-bitquery](https://community.bitquery.io/u/sayon-bitquery)\
**Post date:** [May 30, 2022, 5:23am UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056/4 "2022-05-30T05:23:58Z")

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The link did not get attached I am afraid.

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<div class="post-metadata">

**Author:** ![sayon-bitquery](https://sea2.discourse-cdn.com/flex016/user_avatar/community.bitquery.io/sayon-bitquery/32/522_2.png) [@sayon-bitquery](https://community.bitquery.io/u/sayon-bitquery)\
**Post date:** [May 30, 2022, 5:24am UTC](https://community.bitquery.io/t/what-line-code-below-means-on-streaming-demo-view-repo/1056/5 "2022-05-30T05:24:21Z")

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Also is this code snippet in one of Bitquery’s products?