Pilz PSSnet SHL 8T MRP - Manual (Page 37)

Mode-based CLI
PSSnet SHL - Command Line Interface
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3.3 Flow of Operation
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D For mandatory parameters, the command tree extends till the mandatory
parameters make the leaf of the branch. The callback function is only in-
voked when all the mandatory parameters are provided. For optional pa-
rameters, the command tree extends till the mandatory parameters and
the optional parameters make the leaf of the branch. However, the call
back function is associated with the node where the mandatory parame-
ters are fetched. The call back function then takes care of the optional pa-
rameters.
D Once the control has reached the callback function, the callback function
has complete information about the parameters entered by the operator.