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DOC-2672-udf-naming-practices-4.2 #329

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8 changes: 8 additions & 0 deletions modules/querying/pages/func/query-user-defined-functions.adoc
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Expand Up @@ -274,6 +274,14 @@ GSQL > GET ExprFunctions TO "./udf.hpp"

In the downloaded file, add the function definition for the `rng()` function.

[NOTE]
====
Use a unique prefix for your UDF names, such as `udf_`, to avoid naming
conflicts with TigerGraph built-in functions. If a future TigerGraph upgrade
introduces a built-in function with the same name as an existing UDF, it
may cause conflicts during the upgrade.
====

.udf.hpp
[source.wrap,c++]
----
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