# Using Variables in Elastic Synthetics

**URL:** <https://discuss.elastic.co/t/using-variables-in-elastic-synthetics/299567>\
**Category:** Elastic Observability\
**Created:** [March 13, 2022, 2:17pm UTC](https://discuss.elastic.co/t/using-variables-in-elastic-synthetics/299567 "2022-03-13T14:17:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zx8086](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zx8086/32/94917_2.png) [@zx8086](https://discuss.elastic.co/u/zx8086)\
**Post date:** [March 13, 2022, 2:17pm UTC](https://discuss.elastic.co/t/using-variables-in-elastic-synthetics/299567/1 "2022-03-13T14:17:03Z")

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Hi Guys,

Is it possible to use variables for example in the Url field ? I need to have the Host IP Address instead of something generic like localhost or 127.0.0.1

 ![Screenshot 2022-03-13 at 15.13.40](https://us1.discourse-cdn.com/elastic/original/3X/9/3/9390722e8227415875b7fa4d97e59ced4b712054.png)

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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:** [November 4, 2022, 8:34am UTC](https://discuss.elastic.co/t/using-variables-in-elastic-synthetics/299567/2 "2022-11-04T08:34:36Z")

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