How do I make a "hit animation"

Well i have created the following little platformer.

https://www.dropbox.com/s/wdc2fgr8regngd9/SimonJumping.capx

Find the key. then find the lock to open the door.

All i want (at the moment) is:

If the Player falls into lava

-change UI_life->Frame

-make player jump up a little bit (maybe even flash him) (to notice he got hit(damage))

-fall again.

I hope it is clear what i mean.

It's like Sonic the Hedgehog getting hit und getting knocked back... but i want the player to kinda jump.

Well, I have only ~a week on Construct, I don't know what do you refer with "-change UI_life->Frame", but:

Player -> On collision with another Object -> Lava:

• to make player jump a little: Player -> Set vector Y -> -300 (you can try a smaller or a bigger value, but it need to be negative)
• to make player flash: add behavior "Flash" to player and then, Player -> Flash -> (select the duration, depends on how you like it)
• fall again: he'll fall automatically, no need to change the vector again

Hope I could help

Edit:

Oh, and add a System -> Wait -> (seconds), after the above events and before the System -> Restart Layout.

Perfect answer from cornelg7

And here the capx after adding the events

ok that worked so far....

but after jumping and falling he lands into lava but i want the player to fall out of screen... (through the solid rocks under the lava)

add an action to disable collisions on the rock..

Oh yeah simple idea

but then all my enemies fall down as well but i dont want that.....

A0Nasser already put a new action there, Player -> Set collision enabled -> Disable, that is disabling any collision with the player and he fall through anything...