Custom Data Model Not Reflecting in Payment File – Fix?

Summary:

Context:
We have set up a transmission configuration to transmit files to an SFTP server. Additionally, we have:

• Created a Data Model to extract the required fields.
  
• Designed a Template based on this Data Model.
  
• Attached the Template to the Payment Process Profile (PPP).
  Issue:
  When we generate a payment file, it does not include the fields defined in my Data Model. Instead, it shows other XML fields that do not match our requirements.

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