docs/concepts/bindings/specs/sns.md

AWS SNS Binding Spec

apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
  name: <name>
spec:
  type: bindings.aws.sns
  metadata:
  - name: region
    value: us-west-2
  - name: accessKey
    value: *****************
  - name: secretKey
    value: *****************
  - name: topicArn
    value: mytopic

region is the AWS region. accessKey is the AWS access key. secretKey is the AWS secret key. topicArn is the SNS topic name.