# Get\_variables from Symbolics
**URL:** https://discourse.julialang.org/t/get-variables-from-symbolics/71366
**Category:** Performance
**Tags:** sciml, modelingtoolkit, symbolics
**Created:** [November 12, 2021, 8:36am UTC](https://discourse.julialang.org/t/get-variables-from-symbolics/71366 "2021-11-12T08:36:47Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@yewalenikhil65](https://discourse.julialang.org/u/yewalenikhil65)
#### Post date: [November 12, 2021, 8:36am UTC](https://discourse.julialang.org/t/get-variables-from-symbolics/71366/1 "2021-11-12T08:36:47Z")
the issue is more clearly described at this github issue comment link
[https://github.com/SciML/Catalyst.jl/issues/422#issuecomment-966919073](https://github.com/SciML/Catalyst.jl/issues/422#issuecomment-966919073)
If anybody could explain, how to obtain variables from such expressions, eg, state variables from the reactions rates in Catalyst reactions! Please help me understand this issue!
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### Author:  [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)
#### Post date: [November 12, 2021, 3:49pm UTC](https://discourse.julialang.org/t/get-variables-from-symbolics/71366/2 "2021-11-12T15:49:21Z")
In the issue, it’s pointing to another issue where the discussion will take place.
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### Author:  [@yewalenikhil65](https://discourse.julialang.org/u/yewalenikhil65)
#### Post date: [November 12, 2021, 3:51pm UTC](https://discourse.julialang.org/t/get-variables-from-symbolics/71366/3 "2021-11-12T15:51:09Z")
Yes, thank you sir! I had not checked earlier with symbolics issues. Now pasted my example also in the symbolics issues