Hello @harijp17 ,
This issue occurs because you set the URL type as a string, so it’s being treated as plain text rather than a value. Instead, you can define the URL in the script node, then select it here and use that URL.
brother try to create a dynamic url in the script tag (example : http://localhost:8081/api/book/${isbn}) and attach that url to bh.local.url and call this url on request node
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