dynamodbconfig.ts

exports.handler = alexa.SkillBuilders.custom()
    .addRequestHandlers(
        launchRequestHandler,
        addTvShowIntentHandler,
        tvShowRecommendationIntentHandler,
        helpIntentHandler,
        cancelAndStopIntentHandler,
        fallbackIntentHandler,
        sessionEndedRequestHandler,
        intentReflectorHandler
    )
    .addErrorHandlers(errorHandler)
    .addRequestInterceptors(
        localisationRequestInterceptor,
        loggingRequestInterceptor,
        loadAttributesRequestInterceptor
    )
    .withPersistenceAdapter(
      new DynamoDbPersistenceAdapter({
          tableName: 'my_tv_shows_skill',
          createTable: true,
          partitionKeyGenerator: requestEnvelope => {
              const userId = alexa.getUserId(requestEnvelope);
              return userId.substr(userId.lastIndexOf('.') + 1);
          },
      })
    )
    .addResponseInterceptors(saveAttributesResponseInterceptor, loggingResponseInterceptor)
    .lambda();