# Documentation for SMS2

**URL:** <https://community.stardog.com/t/documentation-for-sms2/3358>\
**Category:** Support\
**Created:** [November 3, 2021, 1:53pm UTC](https://community.stardog.com/t/documentation-for-sms2/3358 "2021-11-03T13:53:15Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![oli666](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.stardog.com/oli666/32/1019_2.png) [@oli666](https://community.stardog.com/u/oli666)\
**Post date:** [November 10, 2021, 3:40pm UTC](https://community.stardog.com/t/documentation-for-sms2/3358/3 "2021-11-10T15:40:46Z")

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Hi Al,

I was mainly looking for any sort of documentation for "special variables" like for example the " **row\_number**" one for csv import.

Specifically looking for variables that might help me to solve the issue [SMS2: ID for JSON Lists - Support - Stardog Community](https://community.stardog.com/t/sms2-id-for-json-lists/3354)

Thanks,

Oli

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