dax:UpdateItem is a Write access-level action in the dax service. Grants permission to edit an existing item's attributes, or adds a new item to the table if it does not already exist
ARNs that dax:UpdateItem can be scoped to in an IAM policy.
No condition keys are documented for this action.
A minimal policy that allows dax:UpdateItem. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowDaxUpdateItem",
"Effect": "Allow",
"Action": "dax:UpdateItem",
"Resource": "*"
}
]
}