Using CDATA in XML as Parameter

Question

I have a soap request xml which takes a xml string as parameter. Using postman I am getting this error. Please help me to solve this issue. I tried many ways but failed.

Now, facing another issue after using CDATA suggested by @Yitzhak Khabinsky.

As you can see in the above picture I am getting "SUCCSS" message but the tpXmlData parameter which takes xml string always sending null while execution via postman.

Here is my SOAP Envelop:

Answer 1

I have solved the issue like this:

<![CDATA[]]>