how to catch the move event every frame when entity moving?

   I am new in CEL;

   Now I can complete to bind keybord with entity's behavior, but i don't know how to catch the event (such as how to get the position of the entity during the moving, or how to get the time during the moving ) in every when the entity is moving which controled by the player.
   I don't know which functions can I use to catch the event  every frame when the entity is moving in c++ ??
   Please help me!!

[Vincent]

What property class are you using for movement ? pcmove.linear/pclinearmovement ?