[#BloombergLP-bdlcc-SkipList-0b-addAtLevelUniqueRaw] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/SkipList-0b.adoc[SkipList<long long, EventData>]::addAtLevelUniqueRaw :relfileprefix: ../../../ :mrdocs: Add the specified `key` / `data` pair to this list at the specified `level`, and load into the specified `result` a reference to the pair in the list. The `result` reference must be released (using `releaseReferenceRaw`) when it is no longer needed. Load into the the optionally specified `newFrontFlag` a `true` value if the pair is at the front of the list, and a `false` value otherwise. The behavior is undefined if `level` is greater than the implementation‐defined maximum level of this class, or if `level` is negative. Return 0 on success, and a non‐zero value (with no effect on the list) if `key` is already in the list. Note that this method is provided for testing purposes. == Synopsis Declared in `<bdlcc_skiplist.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int addAtLevelUniqueRaw( xref:BloombergLP/bdlcc/SkipList-0b/Pair.adoc[Pair]** result, int level, long long const& key, xref:BloombergLP/bdlmt/EventScheduler.adoc[EventData] const& data, bool* newFrontFlag = 0); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#