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Login into Management Account of your AWS Organization.
Create
Zilla-IAM-Reader-Role
in all member Member accounts of AWS organization using steps - AWS Organization - AWS CloudFormation For Creating Zilla-IAM-Reader-Role In Member AccountsCreate
Zilla-IAM-Reader-Role
in Management Account of the AWS Organization using steps - AWS CloudFormation For Creating Zilla-IAM-Reader-RoleCreate
Zilla-SSO-Reader-Role
in Management Account of the AWS Organization using steps - AWS CloudFormation For Creating Zilla-SSO-Reader-Role