Electromagnetic Field 2020 has been cancelled due to the COVID-19 pandemic. We will return as scheduled in summer 2022.
All ticketholders will be eligible for a full refund and a guaranteed ticket to our next event. For more information, please see our blog post.
Type: External identifier
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"External identifier" is a variant of the Text datatype to describe external resources (URI based) and requires assigned properties to declare an External formatter URI.