Problem with Abstract Data Type Procedure Properties in PowerDesigner v.16.1.0.3637

Hi,

I'm trying to transition/convert our system PDM from PowerDesigner v.12.5 to v.16.1.0.3637 and having troubles with Oracle Object Type member function definition (i.e.Abstract Data Type Procedure).

Basically, I don't get how in v.16.1 I can enter and maintain the source for such functions/procedures, because Definition dialog window that in v.12.5 has big enough field with syntax highlight, etc., and looks like:

in v.16.1 has only single line field and looks like:

With this dialog window there is no way to see or maintain procedure source code at all.

Hopefully, I am just missing something simple here, but I couldn't figure it out.

Any help is greatly appreciated.

Thanks,

Iaroslav