unity only do something every 2 seconds code example

Example 1: Execute code every x seconds with Update()

private float nextActionTime = 0.0f;
 public float period = 0.1f;
 
 void Update () {
     if (Time.time > nextActionTime ) {
        nextActionTime += period;
         // execute block of code here
     }
 }

Example 2: unity do task every x seconds

private float nextActionTime = 0.0f;
 public float period = 0.1f;
 
 void Update () {
     if (Time.time > nextActionTime ) {
        nextActionTime += period;
         // execute block of code here
     }
 }