question: parse the json string into a s3eventnotification object . the function will try its best to parse input json string as best as it can . it will not fail even if the json string contains unknown properties . the function will throw amazonclientexception if the input json string is not valid json . concode_field_sep String xAmzRequestId concode_elem_sep String s3SchemaVersion concode_elem_sep List<S3EventNotificationRecord> records concode_elem_sep String eventVersion concode_elem_sep ResponseElementsEntity responseElements concode_elem_sep String sourceIPAddress concode_elem_sep String eventSource concode_elem_sep String principalId concode_elem_sep UserIdentityEntity userIdentity concode_elem_sep UserIdentityEntity ownerIdentity concode_elem_sep DateTime eventTime concode_elem_sep String eventName concode_elem_sep String eTag concode_elem_sep String configurationId concode_elem_sep String arn concode_elem_sep String key concode_elem_sep S3Entity s3 concode_elem_sep String awsRegion concode_elem_sep RequestParametersEntity requestParameters concode_elem_sep String xAmzId2 concode_elem_sep S3BucketEntity bucket concode_elem_sep String versionId concode_elem_sep Long size concode_elem_sep String name concode_elem_sep S3ObjectEntity object concode_field_sep String getName concode_elem_sep RequestParametersEntity getRequestParameters concode_elem_sep String geteTag concode_elem_sep String getEventName concode_elem_sep String getPrincipalId concode_elem_sep UserIdentityEntity getUserIdentity concode_elem_sep S3Entity getS3 concode_elem_sep S3BucketEntity getBucket concode_elem_sep String getVersionId concode_elem_sep String getS3SchemaVersion concode_elem_sep List<S3EventNotificationRecord> getRecords concode_elem_sep DateTime getEventTime concode_elem_sep String getEventVersion concode_elem_sep String getKey concode_elem_sep S3ObjectEntity getObject concode_elem_sep UserIdentityEntity getOwnerIdentity concode_elem_sep String getSourceIPAddress concode_elem_sep String getxAmzRequestId concode_elem_sep String getEventSource concode_elem_sep String getArn concode_elem_sep String getxAmzId2 concode_elem_sep String getConfigurationId concode_elem_sep String toJson concode_elem_sep Integer getSize concode_elem_sep ResponseElementsEntity getResponseElements concode_elem_sep String getAwsRegion concode_elem_sep Long getSizeAsLong
target: S3EventNotification function ( String arg0 ) { return Jackson . fromJsonString ( arg0 , S3EventNotification . class ) ; }