TSS Installation Exit (TSSINSTX)

Document ID : KB000111217
Last Modified Date : 23/08/2018
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Introduction:
TSS Installation Exit (TSSINSTX) exit point "COMMAND
Question:
At TSS Installation Exit (TSSINSTX) exit point "COMMAND", in the TSS command buffer addressed by parameter list pointer "TXACCBUF", is the TSS command presented in the case entered by the user, or have the keywords been folded to uppercase? 
Environment:
z/os
Answer:
When the TSS command is presented to the installation exit, the command has already gone through parsing which will upper case all keywords and any data that is not marked as a mixed case field by the FDT. Also data within comments is not folded to upper case.