## sid property


Gets or sets the sid.
The sid attribute is a text string value containing the sub-identifier of this element.
This value must be unique within the scope of the parent element.Optional attribute.
### Definition:
```python
@property
def sid(self):
    ...
@sid.setter
def sid(self, value):
    ...
```

### See Also
* module [`aspose.cad.fileformats.collada.fileparser.elements`](../../)
* class [`InstanceGeometry`](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/instancegeometry)