Show customer Pantones used in design

I am wondering if there is a setting or plug-in in Indesign or acrobat in which I can automatically place/show the Pantones I used in my design. Right now I have to draw out boxes and label the Pantones underneath when sending a customer a layout/proof and just looking for a faster way to do it. Thanks in advance.

I didn’t find the right solution from the Internet.

References:

http://www.graphicdesignforum.com/forum/forum/graphic-design/printing-and-prepress/1631033-show-customer-pantones-used-in-design

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