Hi all,

I'm trying to create a *CustomError* class by inheriting from the 
JavaScript *Error* class. So, I have a FunctionTemplate for CustomError

auto custom_err_template = v8::FunctionTemplate::New(isolate);

In the v8 docs on FunctionTemplate 
- 
https://v8docs.nodesource.com/node-7.10/d8/d83/classv8_1_1_function_template.html#ac54d88e6fdc00872babe5c91515b9dce
 
, it is mentioned that I can call *Inherit(<parent_function_template>) *. 
I'm trying to achieve the same by attempting to get the FunctionTemplate of 
the *Error* class, but in vain.

auto context = isolate->GetCurrentContext();
auto global = context->Global();
auto error_function = global->Get(v8::String::NewFromUtf8(isolate, 
"Error")).As<v8::Function>();
// How do I get the FunctionTemplate of error_function ? Is it possible to 
do so?

// I can then call the following to setup the inheritance Error as the 
parent of CustomError
custom_err_template->Inherit(<function_template_of_Error>);

Since *Error* is a builtin class, I get it from the global object. But I'm 
not sure how to get the FunctionTemplate from the v8::Local<v8::Function> 
instance.

Could anyone please help me?

Thanks,
--Gautham

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