Opaque Schema can be used in Stage Read or Write File without having to worry about the schema for the file.
If you select Opaque Schema, then you don't have to specify a schema.
Only condition is that, whatever is fed to the opaque element in the opaque ‘schema’ should be base64 encoded data.
When you have a flow that downloads a zip from FTP, unzips and processes each file in it. Actions for processing each file is inside a scope.
If there is any issue while processing a particular file, and you want to write those files and put it into FTP again.
Stage Write File operation with opaque schema option can be used here to write the files without having to worry about the schema of the file.
To configure Stage File Write Operation with opaque schema :
Select 'Write File' operation, Specify the File Name and Output Directory in Configure Operation page
Select 'XML schema (XSD) document' choice in Schema options page
In Format Definition page
Select a New File
Select the Schema Element
Select 'opaqueElement' from drop-down list
Map the FileReference of the for-each repeating element (ICSFile) to opaqueElement of StageFileWrite using encodeReferenceToBase64 Function