Q> About Layer and Render

Good day Everyone

Scenario :
for example i have 5 layers each layer has one has camera and object and etc …
now i want to render only is layer 4 … when i go to layer 4 and hit render … layer 1 is render …

Question :
how do i choose what layer i want to render


Problem Solve : please ignore this thread i already figured it out im very sorry for spamming