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Creating and interacting with an OData V4 unbound action

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Posted on by JS-22122025-0

Hello,

I want to send an xml file (in a text parameter) to a codeunit procedure which is published as a webservice

Similar to this wel known procedure, except the "InputJson: Text", needs to be an "inputXml: text" parameter

procedure GetLengthOfStringWithConfirmation(inputJson: Text): Integer

I try this in Postman

But I get the error: "A supported MIME type could not be found that matches the content type of the response"
The xml is in the body below.

Thanks for helping

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Dynamics 365 Business Central

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JS-22122025-0 on at

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Creating and interacting with an OData V4 unbound action

Thanks!!!
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SidharthanCP 10 on at

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Creating and interacting with an OData V4 unbound action

Hi,
XML files cannot be directly sent as text files via webservice, rather you can convert them as base64 string and send that via Webservice.
To convert your XML file stored in a field into Base64 string you can use the Standard Base 64 CodeUnit and to decode them in your end system, you can use any online 'Base64 to XML Converter' or implement the conversion logic yourself by using mime type as 'text/plain' or 'application/xml'. Thank you.

Regards,
Sidharthan
Congruent Info-tech - https://www.congruentsoft.com/

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