JSON HTTP request with array from workflow result

[Olyno]

Hi there,

I'm trying to update the people table based on the output of a script workflow. My script looks like that:

export const main = async (params: {
  inscription: Array<string>;
}): Promise<object> => {
  const { inscription } = params;
  const newInscription = [...new Set([...inscription, "EVENEMENTS"])];

  return { inscription: newInscription };
};

I'm using http request to make the update, to the /rest/people/{{ id }} route, and this is the json used:

{ "inscription" : {{ workflow.inscription }} }

I also tried with quotes:

{ "inscription" : "{{ workflow.inscription }}" }

Both don't work. It says the body is malformed, or the json is wrong.

This works fine:

export const main = async (params: {
  a: string;
}): Promise<object> => {
  const { a } = params;
  const inscription = [...new Set([...a])];
  const incriptionstr = inscription.join("\",\"");
  
  return { incriptionstr };
};

{ "inscription" : ["{{ workflow.incriptionstr }}", "EVENEMENTS"]}

I'm quite confused, because i can't figure it out why it doesn't work with plain array.

Do you have any idea what could be wrong? Is it a bug?