To delete a function used in a mapping rule in the Mapping
Editor:
Procedure
Display the mapping link with the functions visible. If
the mapping link with function or functions has functions associated
with it but the functions are not displayed (as shown here: ),
right-click the mapping rule and from the list and select Edit
Function Graph. The functions associated
with the mapping rule are displayed.
Choose one of the following options:
Select the function to delete and press the Delete key.
Right-click the function and select Delete Function in
the list.
Depending on your mapping rule, links between source nodes,
other functions, or the destination node might be deleted.
Repair any missing links in the mapping rule.
Optional: If any functions are still associated
with the mapping rule, test if the mapping rule is valid by right-clicking
on the function in the mapping rule and selecting Apply
Function Graph. If the mapping rule is valid, the
square function icon or icons in the graphical representation of the
mapping link are not displayed and a blue bar with small squares at
each end displays (). If the mapping rule is not valid, the graphical
representation of the mapping rule does not change, the function icons
are still visible, () and an error dialog opens
Note: A
mapping rule with function or functions is considered valid if
all the input parameters of the function or functions are assigned
with values of the correct datatype and if the return value of the
last function matches the datatype of the destination node. The input
parameters of a function can be provided by source nodes or by the
return type of other functions associated with that mapping rule.