This template creates an AWS::Events::EventBusPolicy resource that grants permission to one AWS account with an account ID of 111122223333. The policy allows the account to perform the events:PutEvents action on the default event bus in the us-east-1 region.

CloudFormation Template

AWSTemplateFormatVersion: '2010-09-09'
Description: 'Amazon EventBridge EventBus Policy: Grant Permission to AWS Account'
Resources:
  SampleEventBusPolicy:
    Type: 'AWS::Events::EventBusPolicy'
    Properties:
      StatementId: undefined
      Statement:
        Effect: undefined
        Principal:
          AWS: undefined
        Action: undefined
        Resource: undefined