How can I convert IDoc in XML format w/DTD into a string?

Question

I want to send by e-mail outbound IDoc in XML format with its document type definition (DTD).
I want to be able to get the same output result into a string than the XML file IDoc port type with DTD activated.  I have created a FM (based on SAP "OWN_FUNCTION") assigned to an IDoc port of type ABAP-PI that executes the following processing steps:
1-Extract outbound IDoc information to get the sender & recipient mail addresses (EDP13 / EDIPHONE tables).
2-Convert & Transform IDoc data into XML string using FM IDX_IDOC_TO_XML.
3-Prepare and send e-mail with XML attachement using FM SO_NEW_DOCUMENT_ATT_SEND_API1.
I cand generate the e-mail with the XML file attachement but FM IDX_IDOC_TO_XML does not convert the IDoc with proper formating and DTD.
What should I use to accomplish the IDoc conversion to XML w/DTD into a string?
Should I use XSLT tools ?
How does that work?
Thank you
Carl

Answer 1

muks wrote:
Use decimal string to number
Specifically, you can define a constant with a different datatype on the input on the lower left if you need a different datatype (e.g. U8, I64, DBL, etc) Are all your values integers or do you also need to scan fractional numbers? In this case, you should use "fract/exp string to number" instead.
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