Hi @piyush7829 , Glad it worked and you were able to do the post. If I understood your question correctly then you need to pass the series_id to the post:form:series_id multipart form property dynamically, right? If that is the case then its easy since the InvokeHttp multipart dynamic properties allows for expression language you can reference the series_id attribute you have extracted using the EvaluateJsonPath and assign it as follows: post:form:series_id: ${series_id} Every time the invokeHttp is triggered it would evaluate the series_id expression from the incoming flowfile and assign its value before making the api invokation. Hope that helps.
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