macro for description in part custom property only

can anyone post macro foe filling the part description only in part files for custom property only.

I can fill once it automatically open the sw part and then i fill it and close it and then open next part automatically.

I dont want to fill any other properties and also I have other properties filled and i dont want to touch them.

please post macro file. Dont write macro pls.

SolidworksApi/macros