Condition
class Condition
A JSON string which you can use to limit the event bus permissions you are granting to only accounts that fulfill the condition. Currently, the only supported condition is membership in a certain Amazon Web Services organization. The string must contain Type, Key, and Value fields. The Value field specifies the ID of the Amazon Web Services organization. Following is an example value for Condition:
'{"Type" : "StringEquals", "Key": "aws:PrincipalOrgID", "Value": "o-1234567890"}'