Button not enabled

Hello! , in the reformat transformer when the transform attribute is opened there is a validate button on the tool bar.i could not understand its purpose.is it to validate the TL code?.and it is always diabled how do i validate the syntax of my TL code.Running the graph every is not an easy task.

Some body plese help me in this regard

Hello !

Unfortunately as of GUI version 1.6, the validation is not implemented.
It is planned for future releases.
The only place (for now) where TL language expressions are validate is ExtFilter.

David.