Hi callmeant,
Yes, you can determine the persistence type of the bet, by including either LAPSE, KEEP, or TAKE-SP in the command line.
Here is the syntax of the BACK or LAY command
BACK/LAY [LAPSE][KEEP][TAKE-SP] [OFFSETx [STOPLOSSx [PLACEATx] [TRAIL]] [GREEN] ] [FILLORKILLx]
So for example, this would be a valid command to send a back bet that continues in play:
BACK KEEP
Once the bet is sent, if you later want to change its persistence type then you can do this with the UPDATE command, for example any of these would be valid commands:
UPDATE KEEP
UPDATE LAPSE
UPDATE TAKE-SP
This is as per the explanations in the following section of the user manual:
Cymatic Excel commands - user manualKind regards,
Gavin