Home > @infiniteobjects/shopify-data-manager > AdminTypes > MarketingActivityCreateExternalInput > utm
The [Urchin Traffic Module (UTM) parameters](https://en.wikipedia.org/wiki/UTM_parameters) that are associated with a related marketing campaign. UTMInput is required for all marketing tactics except for the Storefront app marketing tactic.
Signature:
utm: UtmInput;