public void setLambda(String lambda) {
        this.lambda = lambda;
    }
<p>
The Amazon Resource Name (ARN) of the Lambda function containing the business logic that is carried out upon
invoking the action.
</p>

@param lambda
       The Amazon Resource Name (ARN) of the Lambda function containing the business logic that is carried out
       upon invoking the action.
aws-java-sdk-bedrockagent/src/main/java/com/amazonaws/services/bedrockagent/model/ActionGroupExecutor.java