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POST data from a Portlet to a RESTlet in JSON

edited Dec 2, 2019 5:47PM in SuiteCloud / Customization 1 comment
I'm trying to create a form Portlet POST data to a RESTlet in JSON. I've checked the documentation and internet and all the examples I've been able to find are GET requests or they post to a backend suitelet instead.

I've come to a point where I can make the request reach the RESTlet but it's not being formatted in JSON, so I get the following error:

Account: xxxxxxxxxxxxx
Environment: Production
Date & Time: 6/11/2015 5:09 pm
Execution Time: 0.06s
Script Usage: 0
Script: gw_SS_FormBackend
Type: RESTlet
Function: postWMForm
Error: UNEXPECTED_ERROR
SyntaxError: Empty JSON string (null$lib#3)



I'm using the following code to set the submit button and it's working fine:

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