Terraform used the selected providers to generate the following execution
plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # aws_ssoadmin_account_assignment.operation_admin_assignments["hyeinNa-433331841346"] will be created
  + resource "aws_ssoadmin_account_assignment" "operation_admin_assignments" {
      + id                 = (known after apply)
      + instance_arn       = "arn:aws:sso:::instance/ssoins-72300bfa7eae3733"
      + permission_set_arn = "arn:aws:sso:::permissionSet/ssoins-72300bfa7eae3733/ps-5ce1148c0cce3d04"
      + principal_id       = "a4482d6c-7051-7060-e2fe-fca0f5e564e9"
      + principal_type     = "USER"
      + target_id          = "433331841346"
      + target_type        = "AWS_ACCOUNT"
    }

  # aws_ssoadmin_account_assignment.operation_admin_assignments["yunho_choi-433331841346"] will be created
  + resource "aws_ssoadmin_account_assignment" "operation_admin_assignments" {
      + id                 = (known after apply)
      + instance_arn       = "arn:aws:sso:::instance/ssoins-72300bfa7eae3733"
      + permission_set_arn = "arn:aws:sso:::permissionSet/ssoins-72300bfa7eae3733/ps-5ce1148c0cce3d04"
      + principal_id       = "14a8ed4c-c0c1-70bf-7fc9-33efeff4b0fa"
      + principal_type     = "USER"
      + target_id          = "433331841346"
      + target_type        = "AWS_ACCOUNT"
    }

Plan: 2 to add, 0 to change, 0 to destroy.