Hi Raja
Node Functions are: createIf, removeContexts, replaceValue, exists,
SplitByValue, collapseContexts
Use createIf() to create a tag in the target structure using a condition.
Example: Depending on the value of type (internal or external), the target tag either
internalRequest or externalRequest will be created.
Use exists() to determine whether a particular source field exists in the XML instance to be
processed. If does, exists() returns true, otherwise, false.
Example: In the source, description is optional. However, in the target, description is
mandatory.
Context Change in Message mapping works internally by using queues
If no further elements are imported at a particular hierarchy level, a Context Change is
inserted in the queue Use node functions to handle changes in the message
hierarchy.
removeContexts : deletes all context changes of a queue
SplitByValue: insert additional context changes in a queue
use removeContext() to delete the parent context of an
element.
Use removeContext() to delete all the higher contexts for an element. This deletes all
higher hierarchy levels, so that all elements of the target queue are assigned to a root
element of the source queue.
SplitByValue() is the counterpart to removeContexts(): Instead of deleting a context, you can insert a context change in the source value queue.
Using collapseContexts() replaces all values of all contexts with an empty
string:
<b>
***Rewrd points if it help u understand</b>
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