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Adds a new item to search results. Can be used to add extra content to the grid on top of the ones found by OoB logic.
id: primary key (GUID) of the item to be added
name: the value which should be displayed in Name column of the grid
type: logical name of item (account or contact)
fieldValues: array of additional field (string) values to be displayed
iconPath: must be null when adding contacts or accounts. It is reserved for future use, to be able to list other entity types as well. Atm. only accounts and contacts are supported.
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