How to transfer data in HL7 message format to other system

Development
1

Which approach is good to proceed the transfer of data into hl7 message format.

  1. HL7 Import Process? is there is 100% surety to achieve hl7 message format? 2.Adding custom parser? is there is 100% surety to achieve hl7 message format?

please reply according to points if possible. Thanks in advance.

2

Hope this will be of help to you https://wiki.openmrs.org/display/docs/HL7 and https://wiki.openmrs.org/display/docs/HL7+Import+Process