cognito-idp:AddCustomAttributes is a Write access-level action in the cognito-idp service. Grants permission to add user attributes to the user pool schema
ARNs that cognito-idp:AddCustomAttributes can be scoped to in an IAM policy.
Keys you can use in the Condition block of a policy that grants cognito-idp:AddCustomAttributes.
Filters access by tag key-value pairs attached to the resource
A minimal policy that allows cognito-idp:AddCustomAttributes. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowCognitoidpAddCustomAttributes",
"Effect": "Allow",
"Action": "cognito-idp:AddCustomAttributes",
"Resource": "*"
}
]
}