Unreal Engine Blueprints Blueprint Debugging and Optimization

Question 1

Which panel in the Unreal Engine Blueprint editor allows you to set breakpoints and inspect variable values during Play In Editor?

Accepted Answer

Blueprint Debugger

Answer

Output Log

Answer

Memory Profiler

Answer

Asset Audit

Question 2

What happens when you right-click a Blueprint node and select 'Add Breakpoint'?

Accepted Answer

PIE execution pauses when that node is reached so you can inspect values

Answer

The node is permanently disabled in the graph

Answer

A compiler warning is added to the results panel

Answer

The node is highlighted but execution continues normally

Question 3

What does right-clicking a variable in the My Blueprint panel and selecting 'Watch This Value' do?

Accepted Answer

Displays the variable's live value in the Blueprint Debugger during PIE

Answer

Saves the variable value to a config file

Answer

Pins the variable to the top of the My Blueprint panel

Answer

Adds the variable to the Details panel of the actor

Question 4

Which console command shows Blueprint virtual machine execution statistics including time spent in script?

Accepted Answer

stat ScriptCore

Answer

stat Blueprints

Answer

stat BlueprintVM

Answer

debug BlueprintTime

Question 5

What is the difference between 'Disable Breakpoint' and 'Remove Breakpoint' in the Blueprint editor?

Accepted Answer

Disable keeps the marker but skips it during execution; Remove deletes it entirely

Answer

Disable deletes the breakpoint; Remove converts it to a watch point

Answer

Both options produce the same result

Answer

Disable converts it to a log statement; Remove stops the game

Question 6

When using the Print String node for debugging, which parameter controls how long the message remains visible on screen?

Accepted Answer

Duration

Answer

Lifetime

Answer

Timeout

Answer

DisplayTime