[#BloombergLP-bdld-Datum-createUdt]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/Datum.adoc[Datum]::createUdt
:relfileprefix: ../../../
:mrdocs:

Return a datum holding a user‐defined type reference.

== Synopsis

Declared in `<bdld_datum.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdld/Datum.adoc[Datum]
createUdt(
    void* data,
    int type);
----

== Description

Return, by value, a datum having the `DatumUdt` value with the specified `data` and the specified `type` values. The behavior is undefined unless `0 <= type <= 65535`. Note that `data` is held, not owned. Also note that the content pointed to by `data` object is not copied.

== Return Value

a datum holding a user‐defined type reference

== Parameters

[cols="1,4"]
|===
| Name| Description
| *data*
| pointer to the user‐defined object
| *type*
| user‐defined type discriminator in `[0, 65535]`
|===


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