VectorSearch

 { 
 "searchField" 
 : 
 string 
 , 
 "filter" 
 : 
 { 
 object 
 } 
 , 
 "outputFields" 
 : 
 { 
 object (  OutputFields 
 
) 
 } 
 , 
 "searchHint" 
 : 
 { 
 object (  SearchHint 
 
) 
 } 
 , 
 "distanceMetric" 
 : 
 enum (  DistanceMetric 
 
) 
 , 
 // Union field vector_type 
can be only one of the following: 
 "vector" 
 : 
 { 
 object (  DenseVector 
 
) 
 } 
 , 
 "sparseVector" 
 : 
 { 
 object (  SparseVector 
 
) 
 } 
 // End of list of possible types for union field vector_type 
. 
 "topK" 
 : 
 integer 
 }