self is used to refer to the current instance where you use it.

This operator can only be used with calculated information.


CONCAT(self.last_name, ", ", self.first_name)

This expression calculates the full name of a person, by getting the information from the fields first_name and first_name.

If the expression is attached to an instance of the ‘Person’ ontology, self tells the system to look for the field's first name within that instance.

If there is an Instance with the values for Information Fields first_name and last_name as Britta Johansdottir, this will return 'Johansdottir, Britta'.

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