Example
<beginPhase>ttp</beginPhase> <beginOffset> <unit>SECOND</unit> <value>-60</value> </beginOffset> <endPhase>ttp</endPhase> <endOffset> <unit>SECOND</unit> <value>360</value> </endOffset>
<beginPhase>ttp</beginPhase> <beginOffset> <unit>SECOND</unit> <value>-60</value> </beginOffset> <endPhase>ttp</endPhase> <endOffset> <unit>SECOND</unit> <value>360</value> </endOffset>