Implementing AWS: Design, Build, and Manage your Infrastructure

AWS::Serverless::Function

The AWS::Serverless::Function resource type is used to define and create Lambda functions and it's associated event source mappings which trigger the function.

Consider the flowing example snippet for creating a simple Lambda function using SAM:

Handler: index.js 
Runtime: nodejs4.3 
CodeUri: 's3://myS3Bucket/function.zip' 
Description: A simple function for demonstrating SAM 
MemorySize: 128 
Timeout: 15 
Policies: 
 - LambdaFunctionExecutePolicy  
 - Version: '2012-10-17'  
   Statement: 
     - Effect: Allow 
       Action: 
         - s3:GetObject 
         - s3:GetObjectACL 
       Resource: 'arn:aws:s3:::myS3Bucket/*' 
Environment: 
  Variables: 
    key1: Hello 
    key2: World 

From the following snippet, most of the properties should be well known by now, including the Handler ...