Thank you Charl for your reply! I add recordable, 
        recordable inline I_syn_exc pA = convolve(K_syn_exc, exc_spikes) * nS * (V_m - E_exc) 
        recordable inline I_syn_inh pA = convolve(K_syn_inh, inh_spikes) * nS * (V_m - E_inh) 

But I faced with this error:

nest.lib.hl_api_exceptions.NESTErrors.IllegalConnection: IllegalConnection in SLI function Connect_g_g_D_D: Creation of connection is not possible because:
Cannot connect with unknown recordable I_syn_exc

Can you help me to solve it?(enclosed is the neuron model)
Thanks and BR, 
Atiyeh 



On Saturday, November 11, 2023 at 10:59:29 AM GMT+1, Charl Linssen <nest-users@turingbirds.com> wrote:


Hi Atiyeh,

If you mark the "I_syn_inh" and "I_syn_exc" inline expressions as "recordable", they can be recorded by the NEST multimeter. Just put the keyword "recordable" in front of "inline". See here for documentation on the feature: https://nestml.readthedocs.io/en/latest/nestml_language/nestml_language_concepts.html#recording-values-with-devices

Hope this helps!

Kind regards,
Charl

On Fri, Nov 10, 2023, at 12:06, atiye nejadebrahim wrote:
Dear Charl, 
yes, I add another Ion channel to the current model named hh_psc_alpha1.nestml  and make it conductance based.enclosed you can find it. 

thanks, 
Best, 
Atiyeh 




On Friday, November 10, 2023 at 11:59:07 AM GMT+1, Charl Linssen <nest-users@turingbirds.com> wrote:


Dear Atiyeh,

Could you tell us which specific neuron model(s) you are using? Are you using NESTML for the models?

Cheers,
Charl

On Fri, Nov 10, 2023, at 11:55, atiye nejadebrahim wrote:

Hello all, 
I need to record I_sys from the neurons of network, but when I use .recordables for my neuron defined, I_syn isn't included in recording. can you help me how can I make I_sys recordable?
Thanks for your help. 
Best, 
Atiyeh 
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