UpdateSemanticSearchIndex

UpdateSemanticSearchIndex[index,source] updates the SemanticSearchIndex[…] index with the data in source.

UpdateSemanticSearchIndex[index,{source1, …}] updates the SemanticSearchIndex[…] index with the collection of sources sourcei.

UpdateSemanticSearchIndex[index,{source1 -> val1, …}] associates the new source sourcei to the value vali.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.