[#BloombergLP-balxml-Formatter-2constructor-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/Formatter.adoc[Formatter]::Formatter
:relfileprefix: ../../../
:mrdocs:

Construct a formatter that writes XML to the specified `output` stream.

== Synopsis

Declared in `<balxml_formatter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Formatter(
    std::ostream& output,
    int indentLevel = 0,
    int spacesPerLevel = 4,
    int wrapColumn = 80,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Optionally specify initial `indentLevel`, `spacesPerLevel`, and `wrapColumn` for formatting, and a `basicAllocator` used to supply memory.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| stream to which XML is written
| *indentLevel*
| initial indentation level
| *spacesPerLevel*
| spaces per indentation level
| *wrapColumn*
| column at which to wrap lines, or special value
| *basicAllocator*
| memory allocator; null uses the default
|===


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