Make An Invisible Character

Hello , its anyone who know and want to help me with few steps how can i make the character dissapear ? i see its a node for visibiliti but i dont figure out how to use it and i cand find anything on internet .thx

 

How you want to invisible the character. On collision with something or with someother condition

 

just to be invisible , like a power up or something like that , yeah , on collision just to be invisible

 

Try "If Collide" "Signal invert" on 3D model.