Cache the current state of all particle shapes at the current time.
Derived from mel command maya.cmds.dynCache
Example:
import pymel.core as pm
# Create an emitter and connect it to a particle shape
pm.emitter(typ='omni', pos=(1, 1, 1), n='myEmitter')
pm.particle(n='myParticles')
pm.connectDynamic('myParticles', em='myEmitter')
# Cache all attributes of the particle shape at time 50
pm.playbackOptions(min=0, max=50, ast=0, aet=100)
pm.currentTime('0');
pm.play(w=True)
pm.dynCache()