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commonCommonly occurring fields that have the same semantic meaning in different document types will often have a set common type.
Optional
displayThe friendly, human-readable display name of this field type in English. iOS only.
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fullUnique global field type name prefixed with the document types of all containing documents
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listA document can contain multiple fields of the same name, the property serves for storing natural order of such fields, null if multiple entries aren't allowed for this field
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nameLocal field type name scoped to the containing document type
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normalizedNormalized global field type name. Fields in document types derived from the same base document type in the schema will have the same normalized name.
Generic Document Type