Architecting and designing : Business Process Analysis (BPA) : BPMN : Modeling Processes, Sub-Processes, and Tasks in BPMN business process diagrams : BPMN Process definitions : Symbol properties
  
Symbol properties
suppressJoinFailure
This maps to the BPEL process attribute suppressJoinFailure.
Yes generates the following statement in BPEL:
suppressJoinFailure="Yes"
No generates the following statement in BPEL:
suppressJoinFailure="No"
See also
BPMN Process definitions