AWS Lambda - Sample Functions
Code samples to help you build your Lambda Function. The pieces of code show what an AWS Lambda function implementation looks like in different programming languages.
We have included sample functions for you to use to accelerate your function development:
A sample function request and the generated response to help you understand Fivetran's request and response format and how to use the different nodes to write your cloud function.
A transport API sample function to retrieve data from the Transport API.
A marketstack API sample function to retrieve data from the MarketStack API.
Sample function request
Sync directly
Select your language to view the sample function request:
Go
package main
import (
"github.com/aws/aws-lambda-go/lambda"
)
type Request struct {
State map[string]string `json:"state"`
Secrets map[string]string `json:"secrets"`
}
type Response struct {
State map[string]string `json:"state"`
Insert map[string][]Record `json:"insert"`
Delete map[string][]Record `json:"delete"`
Schema map[string]Key `json:"schema"`
HasMore bool `json:"hasMore"`
}
type Key struct {
PrimaryKey []string `json:"primary_key"`
}
type Record struct {
Date string `json:"date"`
OrderId int `json:"order_id"`
Amount string `json:"amount"`
Discount string `json:"discount"`
}
func handleLambdaEvent(request Request) (Response, error) {
insertTransactions, deleteTransactions, newTransactionsCursor := apiResponse(request.State, request.Secrets)
newState := make(map[string]string)
newState["transactionsCursor"] = newTransactionsCursor
primary_key := make([]string, 0)
primary_key = append(primary_key, "order_id")
primary_key = append(primary_key, "date")
transactionsSchema := make(map[string]Key)
transactionsSchema["transactions"] = Key{PrimaryKey: primary_key}
return Response{State: newState, Insert: insertTransactions, Delete: deleteTransactions, Schema: transactionsSchema, HasMore: false}, nil
}
func apiResponse(state map[string]string, secrets map[string]string) (map[string][]Record, map[string][]Record, string) {
insertTransactions := make(map[string][]Record)
insertTransactions["transactions"] = append(insertTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1001, Amount: "$1200", Discount: "$12"})
insertTransactions["transactions"] = append(insertTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1002, Amount: "$1345", Discount: "$14"})
deleteTransactions := make(map[string][]Record)
deleteTransactions["transactions"] = append(deleteTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1001, Amount: "$1200", Discount: "$12"})
return insertTransactions, deleteTransactions, "2018-01-01T00:00:00Z"
}
func main() {
lambda.Start(handleLambdaEvent)
}
Java
// Main.java
package com.fivetran.function;
import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
public class Main implements RequestHandler<Request, Response> {
@Override
public Response handleRequest(Request request, Context context) {
return apiResponse(request);
}
Response apiResponse(Request request) {
Record record1 = new Record(Instant.parse("2017-12-31T05:12:05Z"), 1001L, "$1200", "$12");
Record record2 = new Record(Instant.parse("2017-12-31T06:12:04Z"), 1001L, "$1200", "$12");
Record record3 = new Record(Instant.parse("2017-12-31T05:12:05Z"), 1000L, "$1200", "$12");
Record record4 = new Record(Instant.parse("2017-12-31T06:12:04Z"), 1000L, "$1200", "$12");
HashMap<String, Instant> newState = new HashMap<>();
newState.put("transactionCursor", Instant.parse("2018-01-01T00:00:00Z"));
request.state = newState;
//insert records
List<Record> records = new ArrayList<>();
records.add(record1);
records.add(record2);
Map<String, Object> insert = new HashMap<>();
insert.put("transactions", records);
//delete records
records = new ArrayList<>();
records.add(record3);
records.add(record4);
Map<String, Object> delete = new HashMap<>();
delete.put("transactions", records);
// schema
List<String> primaryKey = new ArrayList<>();
primaryKey.add("order_id");
primaryKey.add("date");
Map<String, List<String>> transactionsSchema = new HashMap<>();
transactionsSchema.put("primary_key", primaryKey);
Map<String, Object> schema = new HashMap<>();
schema.put("transactions", transactionsSchema);
return new Response(request.state, insert, delete, schema, true);
}
}
// Record.java
package com.fivetran.function;
import java.time.Instant;
public class Record {
public Instant date;
public Long order_id;
public String amount;
public String discount;
public Record(Instant date, Long order_id, String amount, String discount) {
this.date = date;
this.order_id = order_id;
this.amount = amount;
this.discount = discount;
}
}
// Request.java
package com.fivetran.function;
public class Request {
public Object state;
public Object secrets;
}
// Response.java
package com.fivetran.function;
import java.util.Map;
public class Response {
public Object state;
public Map<String, Object> insert;
public Map<String, Object> delete;
public Map<String, Object> schema;
public boolean hasMore;
public Response(
Object state,
Map<String, Object> insert,
Map<String, Object> delete,
Map<String, Object> schema,
boolean hasMore) {
this.state = state;
this.insert = insert;
this.delete = delete;
this.schema = schema;
this.hasMore = hasMore;
}
}
// pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.fivetran.function</groupId>
<artifactId>sample</artifactId>
<packaging>jar</packaging>
<version>1.0</version>
<name>sample</name>
<url>http://maven.apache.org</url>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.2</version>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-core</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-events</artifactId>
<version>3.11.0</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j2</artifactId>
<version>1.5.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.13.1</version>
</dependency>
</dependencies>
</project>
Node.js
exports.handler = (request, context, callback) => {
callback(null, update(request.state, request.secrets));
};
function update(state, secrets) {
// Fetch records using api calls
let [insertTransactions, deleteTransactions, newTransactionsCursor] = apiResponse(state, secrets);
// Populate records and state
return ({
state: {
transactionsCursor: newTransactionsCursor
},
insert: {
transactions: insertTransactions
},
delete: {
transactions: deleteTransactions
},
schema : {
transactions : {
primary_key : ['order_id', 'date']
}
},
hasMore : false
});
}
function apiResponse(state, secrets) {
var insertTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
];
var deleteTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
];
return [insertTransactions, deleteTransactions, '2018-01-01T00:00:00Z'];
}
Python
import json
def lambda_handler(request, context):
# Fetch records using api calls
(insertTransactions, deleteTransactions, newTransactionCursor) = api_response(request['state'], request['secrets'])
# Populate records in insert
insert = {}
insert['transactions'] = insertTransactions
delete = {}
delete['transactions'] = deleteTransactions
state = {}
state['transactionsCursor'] = newTransactionCursor
transactionsSchema = {}
transactionsSchema['primary_key'] = ['order_id', 'date']
schema = {}
schema['transactions'] = transactionsSchema
response = {}
# Add updated state to response
response['state'] = state
# Add all the records to be inserted in response
response['insert'] = insert
# Add all the records to be marked as deleted in response
response['delete'] = delete
# Add schema defintion in response
response['schema'] = schema
# Add hasMore flag
response['hasMore'] = False
return response
def api_response(state, secrets):
# your api call goes here
insertTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
]
deleteTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
]
newTransactionCursor='2018-01-01T00:00:00Z'
return (insertTransactions, deleteTransactions, newTransactionCursor)
For more information about the fields in the request, see our request format documentation.
Generated response
The sample function request generates the following JSON response:
{
"state": {
"transactionsCursor": "2018-01-01T00:00:00Z"
},
"insert": {
"transactions": [
{
"date": "2017-12-31T05:12:05Z",
"order_id": 1001,
"amount": "$1200",
"discount": "$12"
},
{
"date": "2017-12-31T06:12:04Z",
"order_id": 1001,
"amount": "$1200",
"discount": "$12"
}
]
},
"delete": {
"transactions": [
{
"date": "2017-12-31T05:12:05Z",
"order_id": 1000,
"amount": "$1200",
"discount": "$12"
},
{
"date": "2017-12-31T06:12:04Z",
"order_id": 1000,
"amount": "$1200",
"discount": "$12"
}
]
},
"schema": {
"transactions": {
"primary_key": [
"order_id",
"date"
]
}
},
"hasMore": "true"
}
For more information about the fields in the response, see our response format documentation.
Sync through S3 bucket
Select your language to view the sample function request:
Go
package main
import (
"bytes"
"context"
"encoding/json"
"github.com/aws/aws-lambda-go/lambda"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"os"
)
type Request struct {
State map[string]string `json:"state"`
Secrets map[string]string `json:"secrets"`
Bucket string `json:"bucket"`
File string `json:"file"`
}
type Response struct {
State map[string]string `json:"state"`
Schema map[string]Key `json:"schema"`
HasMore bool `json:"hasMore"`
}
type S3Response struct {
Insert map[string][]Record `json:"insert"`
Delete map[string][]Record `json:"delete"`
}
type Key struct {
PrimaryKey []string `json:"primary_key"`
}
type Record struct {
Date string `json:"date"`
OrderId int `json:"order_id"`
Amount string `json:"amount"`
Discount string `json:"discount"`
}
func handleLambdaEvent(request Request) (Response, error) {
insertTransactions, deleteTransactions, newTransactionsCursor := apiResponse(request.State, request.Secrets)
newState := make(map[string]string)
newState["transactionsCursor"] = newTransactionsCursor
primary_key := make([]string, 0)
primary_key = append(primary_key, "order_id")
primary_key = append(primary_key, "date")
transactionsSchema := make(map[string]Key)
transactionsSchema["transactions"] = Key{PrimaryKey: primary_key}
json := generateJson(insertTransactions, deleteTransactions)
uploadToS3(request.Bucket, request.File, json)
return Response{State: newState, Schema: transactionsSchema, HasMore: false}, nil
}
func apiResponse(state map[string]string, secrets map[string]string) (map[string][]Record, map[string][]Record, string) {
insertTransactions := make(map[string][]Record)
insertTransactions["transactions"] = append(insertTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1001, Amount: "$1200", Discount: "$12"})
insertTransactions["transactions"] = append(insertTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1002, Amount: "$1345", Discount: "$14"})
deleteTransactions := make(map[string][]Record)
deleteTransactions["transactions"] = append(deleteTransactions["transactions"], Record{Date: "2017-12-31T05:12:05Z", OrderId: 1001, Amount: "$1200", Discount: "$12"})
return insertTransactions, deleteTransactions, "2018-01-01T00:00:00Z"
}
func generateJson(insert map[string][]Record, delete map[string][]Record) []byte {
response := &S3Response{Insert: insert, Delete: delete}
json, err := json.Marshal(response)
if err != nil {
panic(err)
}
return json
}
func uploadToS3(bucket string, file string, json []byte) {
// create session and uploader
s3Config := &aws.Config{
//we need to specify the bucket region here if bucket is not global & `lambda` in not the same region as s3 bucket
Region: aws.String(os.Getenv("AWS_REGION")),
}
s3Session := session.New(s3Config)
uploader := s3manager.NewUploader(s3Session)
// uploading
input := &s3manager.UploadInput{
Bucket: aws.String(bucket),
Key: aws.String(file),
Body: bytes.NewReader(json),
ContentType: aws.String("json"),
}
_, err := uploader.UploadWithContext(context.Background(), input)
if err != nil {
panic(err)
}
}
func main() {
lambda.Start(handleLambdaEvent)
}
Java
// Main.java
package com.fivetran.function;
import com.amazonaws.SdkClientException;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class Main implements RequestHandler<Request, Response> {
private static final ObjectMapper MAPPER = new ObjectMapper().registerModule(new JavaTimeModule());
public Response handleRequest(final Request request, final Context context) {
return this.apiResponse(request);
}
Response apiResponse(Request request) {
Record record1 = new Record(Instant.parse("2017-12-31T05:12:05Z"), 1001L, "$1200", "$12");
Record record2 = new Record(Instant.parse("2017-12-31T06:12:04Z"), 1001L, "$1200", "$12");
Record record3 = new Record(Instant.parse("2017-12-31T05:12:05Z"), 1000L, "$1200", "$12");
Record record4 = new Record(Instant.parse("2017-12-31T06:12:04Z"), 1000L, "$1200", "$12");
HashMap<String, Instant> newState = new HashMap<>();
newState.put("transactionCursor", Instant.parse("2018-01-01T00:00:00Z"));
request.state = newState;
//insert records
List<Record> records = new ArrayList<>();
records.add(record1);
records.add(record2);
Map<String, Object> insert = new HashMap<>();
insert.put("transactions", records);
//delete records
records = new ArrayList<>();
records.add(record3);
records.add(record4);
Map<String, Object> delete = new HashMap<>();
delete.put("transactions", records);
// schema
List<String> primaryKey = new ArrayList<>();
primaryKey.add("order_id");
primaryKey.add("date");
Map<String, List<String>> transactionsSchema = new HashMap<>();
transactionsSchema.put("primary_key", primaryKey);
Map<String, Object> schema = new HashMap<>();
schema.put("transactions", transactionsSchema);
this.pushToS3(request.bucket, request.file, this.jsonString(insert, delete));
return new Response(request.state, schema, true);
}
private String jsonString(final Map<String, Object> insert, final Map<String, Object> delete) {
try {
return Main.MAPPER.writeValueAsString(Map.of("insert", insert, "delete", delete));
} catch (JsonProcessingException e) {
throw new RuntimeException("Failed while generating json", e);
}
}
private void pushToS3(final String bucket, final String objKey, final String json) {
try {
//we need to specify the bucket region here if bucket is not global & `lambda` in not the same region as s3 bucket
AmazonS3 s3Client = AmazonS3ClientBuilder.standard().withRegion(Regions.AP_SOUTH_1).build();
s3Client.putObject(bucket, objKey, json);
} catch (SdkClientException e) {
throw new RuntimeException(String.format("Failed while pushing %s object to %s bucket", objKey, bucket), e);
}
}
}
// Record.java
package com.fivetran.function;
import java.time.Instant;
public class Record {
public Instant date;
public Long order_id;
public String amount;
public String discount;
public Record(Instant date, Long order_id, String amount, String discount) {
this.date = date;
this.order_id = order_id;
this.amount = amount;
this.discount = discount;
}
}
// Request.java
package com.fivetran.function;
public class Request {
public Object state;
public Object secrets;
public String bucket;
public String file;
}
// Response.java
package com.fivetran.function;
import java.util.Map;
public class Response {
public Object state;
public Map<String, Object> schema;
public boolean hasMore;
public Response(
Object state,
Map<String, Object> schema,
boolean hasMore) {
this.state = state;
this.schema = schema;
this.hasMore = hasMore;
}
}
// pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.fivetran.function</groupId>
<artifactId>sample</artifactId>
<packaging>jar</packaging>
<version>1.0</version>
<name>sample</name>
<url>http://maven.apache.org</url>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.2</version>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>9</source>
<target>9</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-core</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-events</artifactId>
<version>3.11.0</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j2</artifactId>
<version>1.5.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.13.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
<version>2.13.3</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-s3</artifactId>
<version>1.12.264</version>
</dependency>
</dependencies>
</project>
Node.js
exports.handler = (request, context, callback) => {
callback(null, update(request.state, request.secrets,request.bucket,request.file));
};
function update(state, secrets,bucket,key) {
// Fetch records using api calls
let [insertTransactions, deleteTransactions, newTransactionsCursor] = apiResponse(state, secrets);
// Populate insert and delete in records
var records=JSON.stringify({
insert: {
transactions: insertTransactions
},
delete: {
transactions: deleteTransactions
}
})
// Store records in s3 bucket
putObjectToS3(bucket,key,records)
// Return response
return ({
state: {
transactionsCursor: newTransactionsCursor
},
schema : {
transactions : {
primary_key : ['order_id', 'date']
}
},
hasMore : false
});
}
function apiResponse(state, secrets) {
var insertTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
];
var deleteTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
];
return [insertTransactions, deleteTransactions, '2018-01-01T00:00:00Z'];
}
// Function to store data in s3 bucket
var AWS = require('aws-sdk');
function putObjectToS3(bucket, key, data){
var s3 = new AWS.S3();
var params = {
Bucket : bucket,
Key : key,
Body : data
}
s3.putObject(params, function(err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log(data); // successful response
});
}
Python
import json
import boto3
def lambda_handler(request, context):
# Fetch records using api calls
(insertTransactions, deleteTransactions, newTransactionCursor) = api_response(request['state'], request['secrets'])
# Populate records in insert
insert = {}
insert['transactions'] = insertTransactions
delete = {}
delete['transactions'] = deleteTransactions
state = {}
state['transactionsCursor'] = newTransactionCursor
transactionsSchema = {}
transactionsSchema['primary_key'] = ['order_id', 'date']
schema = {}
schema['transactions'] = transactionsSchema
response = {}
# Add updated state to response
response['state'] = state
# Add all the records to be inserted in response
response['schema'] = schema
# Add hasMore flag
response['hasMore'] = False
response_s3={}
# Add all the records to be inserted in response_s3
response_s3['insert'] = insert
# Add all the records to be marked as deleted in response_s3
response_s3['delete'] = delete
json_str = bytes(json.dumps(response_s3).encode("utf-8"))
# Push data in s3
push_data_s3(request, json_str)
return response
def api_response(state, secrets):
# your api call goes here
insertTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1001, "amount":'$1200', "discount":'$12'},
]
deleteTransactions = [
{"date":'2017-12-31T05:12:05Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
{"date":'2017-12-31T06:12:04Z', "order_id":1000, "amount":'$1200', "discount":'$12'},
]
newTransactionCursor='2018-01-01T00:00:00Z'
return (insertTransactions, deleteTransactions, newTransactionCursor)
#Function to store data in s3
def push_data_s3(request, json_str):
client = boto3.client('s3')
client.put_object(Body=json_str, Bucket=request["bucket"], Key=request["file"])
For more information about the fields in the request, see our request format documentation. You can access all the files in our GitHub repository.
Generated response
Function Response
The sample function request returned the following JSON response:
{
"state": {
"transactionsCursor": "2018-01-01T00:00:00Z"
},
"schema": {
"transactions": {
"primary_key": [
"order_id",
"date"
]
}
},
"hasMore": "true"
}
Response in S3 Bucket
The sample function pushed the following JSON response in the specified S3 file:
{
"insert": {
"transactions": [
{
"date": "2017-12-31T05:12:05Z",
"order_id": 1001,
"amount": "$1200",
"discount": "$12"
},
{
"date": "2017-12-31T06:12:04Z",
"order_id": 1001,
"amount": "$1200",
"discount": "$12"
}
]
},
"delete": {
"transactions": [
{
"date": "2017-12-31T05:12:05Z",
"order_id": 1000,
"amount": "$1200",
"discount": "$12"
},
{
"date": "2017-12-31T06:12:04Z",
"order_id": 1000,
"amount": "$1200",
"discount": "$12"
}
]
}
}
For more information about the fields in the response, see our response format documentation.
Transport API sample function
Download our sample Transport - API (London Tube) function. Select your language to download the sample function (.zip file):
Upload the downloaded .zip file to the Lambda console. For more information, see Lambda deployment packages.
Marketstack API sample function
See our sample Marketstack - API (Ticker) Python function.
From the main.py file, create a .zip file and then upload it to the Lambda console. For more information, see Lambda deployment packages. For more information about the Marketstack API, see our README.