CANCEL OK
This field controls whether or not a process or family of processes can be cancelled.
When each process is defined, the field User Cancel OK can be entered as Y or N. When the process is invoked, the predefined field CANCEL OK is set to the value that the designer specified for that process.
If there is a child process, and the child's CANCEL DISPOSITION is set to prohibit, that value takes precedence for the child process.
The value of CANCEL OK can be toggled back and forth in any fashion by the designer. The example below would prevent a family of processes from being cancelled.
T SET --- CANCEL OK = 0
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