# var is not defined

**URL:** <https://discourse.julialang.org/t/var-is-not-defined/16382>\
**Category:** General Usage\
**Tags:** question\
**Created:** [October 16, 2018, 2:30am UTC](https://discourse.julialang.org/t/var-is-not-defined/16382 "2018-10-16T02:30:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lannisite110](https://avatars.discourse-cdn.com/v4/letter/l/df705f/32.png) [@lannisite110](https://discourse.julialang.org/u/lannisite110)\
**Post date:** [October 16, 2018, 2:30am UTC](https://discourse.julialang.org/t/var-is-not-defined/16382/1 "2018-10-16T02:30:51Z")

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julia\> using ArgParse

julia\> @add\_arg\_table s begin  
(“–seed”; arg\_type=Int; default=42)  
(“–nbatch”; arg\_type=Int; default=100)  
(“–lr”; arg\_type=Float64; default=0.00001)  
(“–epochs”; arg\_type=Int; default=5)  
(“–gcheck”; arg\_type=Int; default=0)  
end  
ERROR: UndefVarError: s not defined  
Stacktrace:  
[1] top-level scope at /home/users/xdlan/.julia/packages/ArgParse/iJFzR/src/ArgParse.jl:737

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<div class="post-metadata">

**Author:** ![Liso](https://avatars.discourse-cdn.com/v4/letter/l/898d66/32.png) [@Liso](https://discourse.julialang.org/u/Liso)\
**Post date:** [October 16, 2018, 5:28am UTC](https://discourse.julialang.org/t/var-is-not-defined/16382/2 "2018-10-16T05:28:45Z")

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Add next line after `using ArgParse`:

```julia
s = ArgParseSettings()

```

And probably try to read [documentation](http://carlobaldassi.github.io/ArgParse.jl/stable/#Quick-overview-and-a-simple-example-1)!!!

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<div class="post-metadata">

**Author:** ![lannisite110](https://avatars.discourse-cdn.com/v4/letter/l/df705f/32.png) [@lannisite110](https://discourse.julialang.org/u/lannisite110)\
**Post date:** [October 16, 2018, 8:40am UTC](https://discourse.julialang.org/t/var-is-not-defined/16382/3 "2018-10-16T08:40:18Z")

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yes ,thanks