# Context variables don't work

**URL:** <https://forum.opennebula.io/t/context-variables-dont-work/8361>\
**Category:** Product Support\
**Created:** [April 23, 2020, 1:27pm UTC](https://forum.opennebula.io/t/context-variables-dont-work/8361 "2020-04-23T13:27:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![define](https://avatars.discourse-cdn.com/v4/letter/d/a8b319/32.png) [@define](https://forum.opennebula.io/u/define)\
**Post date:** [April 23, 2020, 1:27pm UTC](https://forum.opennebula.io/t/context-variables-dont-work/8361/1 "2020-04-23T13:27:20Z")

</div>

Hi.  
I want to create some file, when VMs deploy from template.  
I added to context-start script next lines:

> ```
> cat <<EOF >> /etc/test.conf 
> $NETWORK_ID
> Public=$ETH0_IP
> Private=$ETH1_IP
> EOF
> 
> ```

But the file is created without values.  
How can i fix it?