- To be allowed to UPDATE/EXTRACT either an INSTDATA or a FDT field, an user must have the DUFXTR or/and DUFUPD attributes.
- There are no FLDXTR/FLDUPD attributes.
- To UPDATE/EXTRACT either an INSTDATA or a FDT field with the TSSAI you must indicate what your request is.
To do that you have to put in TSSAI TSSCLASS what your request is, either DUFXTR or DUFUPD or FLDXTR or FLDUPD.
Here, these keywords are used to tell to the TSSAI what kind of request it has to perform.