let groupname    =   context.panel.elements.find(e => e.id === "groupname")?.value;

async function ejecutarPeticion() {
async function getToken() {
    let token = null;

    const res = await fetch("http://localhost:8080/api_jsonrpc.php", {
      method: "GET",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({
        jsonrpc: "2.0",
        method: "user.login",
        params: {
          username: "Admin",
          password: "zabbix"
        },
        id: 1
      })
    });

    const data = await res.json();
    token = data.result;
    return token;
  }

let token = await getToken();

let groupRes = await fetch("http://localhost:8080/api_jsonrpc.php", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        "Authorization": "Bearer " + token
      },
      body: JSON.stringify({
        jsonrpc: "2.0",
        method: "hostgroup.get",
        params: {
          output: "extend",
          filter: { name: "" + groupName }
        },
        id: 2
      })
    });

    return petition;
  }
  return ejecutarPeticion();