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The xpfIsInstanceOf function determines whether an instance, as spcified specified in the <instanceId> argument, is an instance of exactly the specified instance type, as specified in the <entityId> argument. This function returns xpxTRUE TRUE in the argument <isInstanceOf> if the specified instance is of exactly the specified instance type, else xpxFALSE FALSE is returned. The model that holds the actual instance must be open before this operation can be successfully performed.
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| Type | Name | Comment |
| GENERIC | instanceIdcomments | A numerical id identifying the instance in the EDMdatabase |
| GENERIC | entityId | A numerical id identifying the instance type in the EDMdatabase |
Return Value
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| Type | Name | Comment |
| BOOLEAN | isInstanceOf | comments |
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