Having created the function, the next steps are as follows:
Note the following about the preceding screenshot:
- In the Designer section, we can wire up the preconfigured event sources from other AWS offerings as an upstream trigger to the function. In addition, we can configure access to downstream and allied components, like other Lambda functions, DynamoDB, and CloudWatch logs.
- The important section is the Function code section, which allows for choosing to upload the deployment package as a .zip or .jar. It also allows us to configure the handler name in the following format:
packageName.ClassName::methodName ...
