[#BloombergLP-balxml-Encoder_SequenceFirstPass-simpleContentId] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/Encoder_SequenceFirstPass.adoc[Encoder_SequenceFirstPass]::simpleContentId :relfileprefix: ../../../ :mrdocs: Return a null value if there is no element with `IS_SIMPLE_CONTENT` flag, or a non‐null value with the integer `id` of the element otherwise. == Synopsis Declared in `<balxml_encoder.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:BloombergLP/bdlb/NullableValue.adoc[bdlb::NullableValue<int>] const& simpleContentId() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#