[#BloombergLP-balb-Sequence4-manipulateAttribute-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/Sequence4.adoc[Sequence4]::manipulateAttribute
:relfileprefix: ../../../
:mrdocs:

Invoke the specified manipulator on the attribute indicated by `name`.

== Synopsis

Declared in `<balb_testmessages.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class MANIPULATOR>
int
manipulateAttribute(
    MANIPULATOR& manipulator,
    char const* name,
    int nameLength);
----

== Description

Invoke the specified `manipulator` on the address of the (modifiable) attribute indicated by the specified `name` of the specified `nameLength`, supplying `manipulator` with the corresponding attribute information structure. Return the value returned from the invocation of `manipulator` if `name` identifies an attribute of this class, and ‐1 otherwise.

== Return Value

value returned from the invocation of `manipulator` if `name` identifies an attribute of this class, and ‐1 otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *manipulator*
| functor invoked on the matching attribute
| *name*
| attribute name
| *nameLength*
| length of `name`
|===


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