<p>Running <code>PutPermission</code> permits the specified Amazon Web Services account or Amazon Web Services organization to put events to the specified <i>event bus</i>. Amazon EventBridge (CloudWatch Events) rules in your account are triggered by these events arriving to an event bus in your account. </p> <p>For another account to send events to your account, that external account must have an EventBridge rule with your account's event bus as a target.</p> <p>To enable multiple Amazon Web Services accounts to put events to your event bus, run <code>PutPermission</code> once for each of these accounts. Or, if all the accounts are members of the same Amazon Web Services organization, you can run <code>PutPermission</code> once specifying <code>Principal</code> as "*" and specifying the Amazon Web Services organization ID in <code>Condition</code>, to grant permissions to all accounts in that organization.</p> <p>If you grant permissions using an organization, then accounts in that organization must specify a <code>RoleArn</code> with proper permissions when they use <code>PutTarget</code> to add your account's event bus as a target. For more information, see <a href="https://docs.aws.amazon.com/eventbridge/latest/userguide/eventbridge-cross-account-event-delivery.html">Sending and Receiving Events Between Amazon Web Services Accounts</a> in the <i>Amazon EventBridge User Guide</i>.</p> <p>The permission policy on the event bus cannot exceed 10 KB in size.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}