|   | 
Determines whether a schematic instance is a hierarchical component. Schematic instance is defined using a property name and value.
| Number | Type | Compulsory | Default | Description | 
|---|---|---|---|---|
| 1 | string | Yes | 
 | Property name | 
| 2 | string | Yes | 
 | Property value | 
Return type: real
| 
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