Sometimes is required to have the file name that we are pooling in our composite, we can achive that with a simple assign function in the mediator
1. Create an assign element
2. Add the following "expression" to from
med:setCompositeInstanceTitle($in.property.jca.file.FileName)
3. In the "properties "to add the following:
tracking.compositeInstanceTitle
Note: this properties is not shown in the list
