Save material as different channel?

Looking to better understand usage for this.
After creating a macro this pops up. What are the use cases to yes or no this?

Hello @sadicus,
So when you press Record macro and after some actions in ZBrush, then you stop the process of capturing actions, the system will saved into a file with the TXT extension, it will also compile the macro and generate the file with the ZSC extension.
but additionally the record process ask you to save a image that i just guess, was design to be an icon for the macro.
So what you can do , is to just delete manually the PSD file afterward, and whatever you choose to on the file dialog which ask you if you want to save material-index as separated channels…

Hope It Helps

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