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I don’t really know how is expected to make the `templateBody`, and having references to other Pulumi resources. Because it expects an stringify JSON, and with template literals had many errors on deploy of `"template_body" contains an invalid JSON`

Can you try `pulumi.interpolate` ? It takes a template string as input which can have `Output&lt;string&gt;` referenced inside it, and returns a `Output&lt;string&gt;`

Hi <@U02F2QR1CUQ> thanks for the response. I’m trying it out, but getting this error, for sure on the JSON it’s rendered but can’t see why, any ideas?

```"template_body" contains an invalid JSON: invalid character 's' looking for beginning of value```

```templateBody: pulumi.interpolate`{
          "Resources": {
            "SecurityGroupId": {
              "Type": "AWS::SSM::Parameter",
              "Properties": {
                "Name": "security-group-id-${stage}",
                "Type": "String",
                "Value": ${servicesSecurityGroup.id}
              }
            },
(...)
}```

how I’m supposed to add the `Value` field as an `Output&lt;string&gt;`. Any particular way Pulumi is expecting?