gets the value of the vol property . concode_field_sep Boolean showWhenStopped concode_elem_sep Integer vol concode_elem_sep Boolean mute concode_elem_sep CTTLTimeTargetElement tgtEl concode_elem_sep CTTLCommonTimeNodeData cTn concode_elem_sep Long numSld concode_field_sep CTTLTimeTargetElement getTgtEl concode_elem_sep void setVol concode_elem_sep void setNumSld concode_elem_sep long getNumSld concode_elem_sep boolean isMute concode_elem_sep void setMute concode_elem_sep boolean isShowWhenStopped concode_elem_sep void setTgtEl concode_elem_sep void setCTn concode_elem_sep void setShowWhenStopped concode_elem_sep CTTLCommonTimeNodeData getCTn
int function ( ) { if ( vol == null ) { return 50 ; } else { return vol ; } }