Look at specrun from the command line, you can find out more about the commands you can send in from the scheduler (like jenkins)
Type 'SpecRun help <subcommand>' for help on a specific subcommand.
usage: SpecRun run target [/baseFolder:value] [/outputFolder:value] [/log:value]
[/report:value] [/filter:value] [/toolIntegration:value] [/debug]
target Assembly or test profile (.srprofile)
[/baseFolder:value] Base folder for executing the tests. All paths specified are relative to this.
[/outputFolder:value] Base folder for test outputs (relative to base folder), default: base folder
[/log:value] Path for log file (relative to output folder)
[/report:value] Path for the generated report (relative to outputfolder)
[/filter:value] Filter expression (overrides profile setting), e.g. '@mytag & !@othertag'
[/toolIntegration:value] Used for tool integration
[/debug] Used for tool integration default value: False