Language Reference Guide : 4. System Classes : SessionObject Class : ProcessWait Attribute
 
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ProcessWait Attribute
Data Type: integer
4GL Access: RW
The ProcessWait attribute is used to specify whether commands executed by the call system statement block the execution of the currently running OpenROAD application until they complete.
Valid values are:
TRUE
Specifies that the OpenROAD application waits while executing statements using the call system statement
FALSE
Allows an OpenROAD application to continue executing 4GL statements after issuing a system command using the call system statement
Default: TRUE