min = cmds.playbackOptions(q=1,ast=1) max = cmds.playbackOptions(q=1,aet=1) rate = 5 t = min [cmds.disconnectAttr('time1.outTime',abc+'.time') for abc in cmds.ls(type='AlembicNode')] while t < max+rate: for abc in cmds.ls(type='AlembicNode'): cmds.setKeyframe(abc,at='time',t=t,v=t,ott='step') t+=rate