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| Related Syntax | Related Concepts | |
| operator | is ndata-entity | |
Return type: Switch
Returns:       Returns true if the entity is an external NDATA entity,and false otherwise. Replacing is with isnt will reverse the results.
Syntax
entity (is | isnt) ndata-entity
An entity test that succeeds if the entity is an external NDATA entity.
| Related Syntax is cdata-entity is default-entity is external is in-library is public is sdata-entity is subdoc-entity is system is internal | Related Concepts Entities | 
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