# A list of fixed variables?

**URL:** <https://matillioncommunity.discourse.group/t/a-list-of-fixed-variables/1973>\
**Category:** Matillion ETL\
**Created:** [November 30, 2022, 9:04am UTC](https://matillioncommunity.discourse.group/t/a-list-of-fixed-variables/1973 "2022-11-30T09:04:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Lightbody](https://sea2.discourse-cdn.com/flex002/user_avatar/matillioncommunity.discourse.group/lightbody/32/37_2.png) [@Lightbody](https://matillioncommunity.discourse.group/u/Lightbody)\
**Post date:** [November 30, 2022, 9:04am UTC](https://matillioncommunity.discourse.group/t/a-list-of-fixed-variables/1973/1 "2022-11-30T09:04:36Z")

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Hi.

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Is there a list of fixed variables somewhere? I'm struggling to find it. For example a variable that returns the current project name, or a variable that just returns a timestamp.

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Thanks,

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- Rob

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<div class="post-metadata">

**Author:** ![Lightbody](https://sea2.discourse-cdn.com/flex002/user_avatar/matillioncommunity.discourse.group/lightbody/32/37_2.png) [@Lightbody](https://matillioncommunity.discourse.group/u/Lightbody)\
**Post date:** [November 30, 2022, 10:07am UTC](https://matillioncommunity.discourse.group/t/a-list-of-fixed-variables/1973/2 "2022-11-30T10:07:12Z")

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Hi, I've found this - https://documentation.matillion.com/docs/2943424#automatic-variables - however what I'm looking for is a unique ID that I can stamp on a file output. So either a datetime stamp, or just a unique job id. I tried job\_id and task\_id and neither did what I wanted.

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<div class="post-metadata">

**Author:** ![Lightbody](https://sea2.discourse-cdn.com/flex002/user_avatar/matillioncommunity.discourse.group/lightbody/32/37_2.png) [@Lightbody](https://matillioncommunity.discourse.group/u/Lightbody)\
**Post date:** [November 30, 2022, 10:15am UTC](https://matillioncommunity.discourse.group/t/a-list-of-fixed-variables/1973/3 "2022-11-30T10:15:23Z")

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OK and now I found this too - which has helped. https://documentation.matillion.com/docs/2711553

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Define a date-time variable, call it dt, and give it a valid default date.

You can then use the variable as normal like this - ${dt.now()}