Can not find Parameter for estimation

There are no model parameters to update. Select at least one model parameter for estimation., The model does not use any base or model workspace variables. Configure the model to use base or model workspace variables for optimization or sensitivity analysis.

how i can make the parameters appears in the estimation tool

[Mazin Mogadem]

i tried adding to work space but they only appears iinside this, so i can not select it

the bottom line i want to do estimation for my model parameters

Answer 1

[Mazin Mogadem]

i figure it out because i but my system as a subsystem and make the definations using model mask then from model explorer i define them using Matlab code and now the estimation can read them

[小雨 刘]

你好，请问您是怎么解决的啊，有具体的步骤吗，我也遇到了同样的问题，麻烦看到能回一下吗

(Google translation added:)

Hello, how did you solve it? Do you have any specific steps? I also encountered the same problem. Could you please reply?