Drawings SDK Developer Guide > Working with .dwg Files > Working with Databases > Working with Extended Data
Working with Extended Data

Extended data (XData) is a technology that attaches various data to an object of the database and stores the data together with objects but is used in external applications.

For more details, see the following topics:

Concept of Extended Data

Available XData Group Codes

Getting and Setting Extended Data

Example of Working with Extended Data

Example of Entering and Displaying the Group Code and Data Value for XData

To review associated technologies, see the following topics:

Working with Tagged Data

Working with Registered Applications

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