===indexFaces=== FaceRecords[0] -> Face.FaceId

FaceRecords.length > 1 => show error FaceRecords.length === 0 => show error

===searchFacesByImage====

FaceMatches[0].Similarity FaceMatch[0].Face.FaceId

FaceMatches.length === 0 => unknown FaceMatches.length === 1 => founded

ในรูปที่ส่งไปไม่มีหน้า => exception message: 'There are no faces in the image. Should be at least 1.', code: 'InvalidParameterException', time: 2020-10-09T09:47:52.165Z, requestId: '4ee15baa-cc7d-453b-af80-60d8150feb4c', statusCode: 400, retryable: false, retryDelay: 8.012830485709177 }

===deleteCollection=== Success => StatusCode: 200 Exception => message: 'The collection id: test2 does not exist', code: 'ResourceNotFoundException', time: 2020-10-09T09:28:15.734Z, requestId: 'a085e3ac-6c3c-4995-9f05-a456a6ad3db7', statusCode: 400,

===deleteFaces==== Success => { DeletedFaces: [ 'b4bec75f-67b6-4d8e-85aa-4ffcec87e4f9' ] } noface => { DeletedFaces: [] }