Run a TOOL Command, based on selection, in a SINGLE WINDOW

[wneclass2018]

It seems that the MTE is the only method for me try, but I have no idea how to code it regarding the parameters. Moreover, I also appreciate that you had the same issue that I promised regarding MP4 metadata because I thought that I was the only one:

MP4: Explorer File Properties Fields: "Subtitle," "Tags," "Directors," "Producers," "Writers," "Publisher," "Content provider," "Encoded by," "Author URL," "Promotion URL," and "Parental rating."

I was wondering if someone can help me regarding creating a field that directly reflects Windows Explorer File Properties for MP4 files. When I use MetaX on an MP4 file, any entry added into the "Director," "Producers," "Screenwriters," "Rating," "Subtitle" and "Stars" fields is directly pushed into the Windows Explorer File properties. I want to apply that same settings on MP3Tag for MP4 files, if possible. I also want to fields for "Publisher," "Content provider," "Encoded by," "Author URL,…