For a given input face ID, searches for matching faces in the collection the face belongs to. You get a face ID when you add a face to the collection using the index_faces operation. The operation compares the features of the input face with faces in the specified collection.
See https://www.paws-r-sdk.com/docs/rekognition_search_faces/ for full documentation.
rekognition_search_faces(
CollectionId,
FaceId,
MaxFaces = NULL,
FaceMatchThreshold = NULL
)[required] ID of the collection the face belongs to.
[required] ID of a face to find matches for in the collection.
Maximum number of faces to return. The operation returns the maximum number of faces with the highest confidence in the match.
Optional value specifying the minimum confidence in the face match to return. For example, don't return any matches where confidence in matches is less than 70%. The default value is 80%.