YouTipRss Tag Guid
# RSS Element
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## Definition and Usage
The element defines a unique identifier for an item.
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## Tips and Notes
**Note:** Aggregators must treat guid as a string. There are no fixed syntax rules here. It's up to the creator of the document to determine the uniqueness of the string.
**Tip:** GUID = Globally Unique Identifier
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## Attributes
| Attribute | Description |
| :--- | :--- |
| isPermaLink | Optional. If set to true, the reader will assume it is a permanent link to the item (the URL that points to all the items described by the element). The default value is true. If set to false, then the guid may not be assumed to be a URL. |
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## Example
Programming TutorialsRSS Tutorial RSS Tutorial
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