I get a stuck, i try to insert data into Zoho CRM from creator using POST method.

my field contain German character with umlaut ( ä,  ë) .

I try different way  with Ä %E4 in any combination  ...

Also trying to use  <![CDATA[ ]]>  but can't get it work.

Does anyone know how to solve this issue?

2. post = map();
3. postStr = "<Contacts><row no=\"1\">";
4. postStr = postStr +"<FL val=\"letzte Telefonnotitz\"><![CDATA[ä]]></FL>";
5. postStr = postStr + "</row></Contacts>";
6. url = "https://crm.zoho.com/crm/private/json/Contacts/updateRecords?authtoken=" + thisapp.Token() + "&scope=crmapi&id=1073052000000176685&xmlData=" + postStr;
7. resp = postUrl(url, post,false);
8. info resp;