Problem scenario
You have a role that you want to execute a Lambda function. What do you do?
Solution
1. Log into the AWS console.
2. Go to IAM -> Roles
3. Click on the role you want to change.
4. Click on "Attach policies"
5. In the "Filter policies" field search for "lambda" with no quotes
6. Check the box "AWSLambdaFullAccess"
7. Click "Attach Policy"