Customer Key

A customer key is a user-defined identifier for an asset. Each customer key is a unique value across your enterprise. The customer key isn’t a required field, and if you don’t provide a value, Marketing Cloud Engagement generates a unique GUID value for the customer key.

Add a customer key to the asset as a string with a 36-character limit, using the customerKey attribute.

Sample Asset with Customer Key 

1{
2  "name": "NTO Welcome Series Email",
3  "assetType": {
4    "id": 207,
5    "name": "templatebasedemail"
6  },
7  "customerKey": "090c69e7-59ac-4286-8733-f8f76example"
8}

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