# Advanced Data Types

- [QData](https://docs.qatts.com/advanced-data-types/qdata.md): A QData contains values on basis of key and value pairs, Each pair of key and value is called as an entry.


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# Agent Instructions: Querying This Documentation

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```
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
