SearchIndexObject
SearchIndexObject[loc] represents a search index object, as created by CreateSearchIndex.
SearchIndexObject["name"]represents the search index with the specified name in theSearchIndices[]list.
Examples
Create a search index from files:
index = CreateSearchIndex[NotebookDirectory[]]Search within the index:
TextSearch[index, "query"]List all available search indices:
SearchIndices[]Please visit the official Wolfram Language Reference for more details.