1. Man, I’m laughing out loud. I searched for how to massively import metadata. I found your page first, and it’s perfect. Then I realised that I’m trying to import the exact same kind of information: country details related to phone numbers country code. Funny coincidence. Thanks for the excellent post!

    Liked by 1 person

  2. since there is currently no export To do a round trip, here is a quick way to export:

    sfdx force:data:soql:query -q “SELECT DeveloperName, FIELDS(CUSTOM) FROM MyData__mdt LIMIT 200” –resultformat csv > scripts/data/MyData__mdt.csv

    Caveat: you will need to change the row1, col1 DeveloperName label to Name

    Liked by 1 person

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