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where the global variable $ODAT represents a date and has been set as described in the Substituting Global Variablesglobal variables page. Substituting a job parameter or order parameter in this way would allow, for example, a booking date to be set for a financial transaction although the transaction is actually processed at a later time.
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Further information:
- Creating Global Variablesglobal variables
- Merging _ global _ variables _ into _ job /and order _ parameters
- Variable_set - (JS API Reference handbook)