How to use

invoke

function

in

Lambda

function resize(data) {
 const lambda = new AWS.Lambda({ region: process.env.region });
 return new Promise((resolve, reject) => lambda.invoke({
  Payload: JSON.stringify(data),
  FunctionName: process.env.RESIZE_LAMBDA,
 }, (err, result) => ((err) ? reject(err) :
  (result.FunctionError) ? reject({ statusCode: 502, body: result.Payload })
   : resolve(result))));
}

/**
   * Invoke Another Lambda Function
   * @param {*} lambdaName 
   * @param {*} payload 
   */
  invoke(lambdaName, event = {}) {
    return this.lambda.invoke({
      FunctionName: lambdaName,
      Payload: JSON.stringify(event, null, 2)
    }).promise();
  }

sdk.api.invoke(params, function(err, data) {
      if (err !== null) reject(err);
      else resolve(data);
    });

async invokeLambda() {
  addHistoryEvent(this.execution, 'LAMBDA_FUNCTION_STARTED');
  const lambdaConfig = {};
  if (this.config.lambdaEndpoint) {
   lambdaConfig.endpoint = this.config.lambdaEndpoint;
  }
  if (this.config.lambdaRegion) {
   lambdaConfig.region = this.config.lambdaRegion;
  }
  const lambda = new AWS.Lambda(lambdaConfig);
  const params = {
   FunctionName: this.arn,
   Payload: JSON.stringify(this.input),
  };
  return lambda.invoke(params).promise();
 }

function invoke(keys, cb){
    var tail = 'Tail';
    var params = {
      FunctionName: 'wordcount',
      InvocationType: 'RequestResponse',
      LogType: tail, //None or Tail
      Payload: JSON.stringify({
        bucket: bucket,
        keys: keys,
        no_agg: noAgg
      })
    };
    var status = lambda.invoke(params, function(err, obj){
      if (err){
        console.error(err);
        cb(err, null);
        return;
      }
      if (tail === 'Tail'){
        var log = (new Buffer(obj.LogResult, 'base64')).toString();
        var matches = log.match(/Billed Duration: (\d+) ms/);
        if (matches && matches.length > 1){
          lambdaBilledMS += parseInt(matches[1]);
        }
      }
      cb(null, JSON.parse(obj.Payload));
    });
  }

return Lambda.invoke({
 FunctionName: "deploy-with-serverless-dev-handler",
 Payload: JSON.stringify({

sdk.api.invoke(params, function(err, data) {
      if (err !== null) reject(err);
      else resolve(data);
    });