Title: g:mpn
Last modified: January 11, 2018

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# g:mpn

 *  Resolved [jyhsiao](https://wordpress.org/support/users/jyhsiao/)
 * (@jyhsiao)
 * [8 years, 4 months ago](https://wordpress.org/support/topic/gmpn/)
 * I’m wondering how I use g:mpn instead of g:gtid. I created my feed and am getting
   the dreaded ‘Insufficient product identifiers: Missing two out of three attributes[
   GTIN, brand, mpn]’ message. I see in the google support docs that to use an mpn
   you should use g:mpn but I don’t see that field/option in the feed creation page.
 * Thanks-
    June

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [AukeJomm](https://wordpress.org/support/users/aukejomm/)
 * (@aukejomm)
 * [8 years, 4 months ago](https://wordpress.org/support/topic/gmpn/#post-9857996)
 * Hello June (@jyhsiao),
 * You should check under Optional.
    In the — add optional output — dropdwon you
   will find the mpn and many other optional attributes.
 * Let me know if you have found it!
 * Auke
 *  Thread Starter [jyhsiao](https://wordpress.org/support/users/jyhsiao/)
 * (@jyhsiao)
 * [8 years, 4 months ago](https://wordpress.org/support/topic/gmpn/#post-9859301)
 * Found it – thanks Auke!

Viewing 2 replies - 1 through 2 (of 2 total)

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## Tags

 * [product id](https://wordpress.org/support/topic-tag/product-id/)

 * 2 replies
 * 2 participants
 * Last reply from: [jyhsiao](https://wordpress.org/support/users/jyhsiao/)
 * Last activity: [8 years, 4 months ago](https://wordpress.org/support/topic/gmpn/#post-9859301)
 * Status: resolved