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Hello Molanis,

When using custom indicator to create an EA, after that if I want to optimization the parameter of the indicator, may I know how to do that, I won't be able to add the indicators parameter to the Trading block(start), because how good of the EA is base on indicators parameter after we created from it, so that the optimization of the indicators parameter is very importance for us, kindly let me know how to optimization for it?

Thank you!

When you import a custom indicator the import string that is added in the field in the TA icon looks like:
"indicator_name",parameter 1, parameter 2... etc
Import a custom indicator and pay attention to that string

To optimize those parameters you need to change them into variables. So define a variable i.e. period. After importing the custom indicator you will see something like"
"indicator_name",parameter 1, parameter 2
change it to
"indicator_name",period, parameter 2

Make sure you use the variable in a fake condition otherwise it will not be added to the mq4 code. This is just a workaround. There is no easier way to do it

Hello Molanis,

Thank you for your reply!

I was trying to follow your method and changed it, but it was an error. Could you kindly explain more in detail how to do it. Now I attached with an indicator and mol files.

Thank you!

Please help me to resolved the problems!

Thank you!

No Problem. For this issue send us an email referring this post - also include email used during purchase. Thanks

I haven't purchase yet, may I know can I try it first before I buy it, could you help me to resolved the problem first? I want to know how good of your software.

Thank you!

Please follow the instructions I gave you before. Your strategy does not have any variable or a fake condition that uses it

As I was mentioned before, I am not sure where is the parameters I need to be change them into variables. Could you let me know more in detail? I am quite confusing. Please take a look of the mol file I was attached.

Thank you!

Let's work with a simple example. Imaging you want to optimize a moving average indicator. This simple ma indicator only has the ma period as the input so if you import the indicator in the TA icon you will see something like "ma",14 where 14 is the period
If you want to optimize the ma period you rewrite "ma",14 as "ma",myvariable
Then you define myvariable in the mtvar icon
Finally you create a fake TA+ - BUY condition that uses myvariable (this is required otherwise the variable will not be created and you will get an error)

Thank you for your reply.

I was following your instruction to do the setting, but I still facing the problems, when I want to create Expert Adviser for Metatrader 4, I have an error messages shown that "MQL compiler execution failed". I do not know what's wrong with it, need your advice, please find an attached error files.

Thank you!