https://developers.arcgis.com/javascript/latest/references/core/popup/content/CustomContent/
CustomContent | References | ArcGIS Maps SDK for JavaScript
customcontentreferencesarcgismapssdk
https://docs.aws.amazon.com/connect/latest/APIReference/API_connect-cases_CustomContent.html
CustomContent - Amazon Connect Customer
Represents the content of a Custom type related item.
amazon connectcustomcontentcustomer