I can run using num of users and amount of time to run. how can i specify to run 100 requests?

Gatling (Open-Source)
1

I can run using num of users and amount of time to run. how can i specify to run 100 requests?

2

Try repeat, following snippet is in Scala, check docs for repeat in java/kotlin

val scn = scenario ("foobar")
  .repeat(100)(
    exec(myhttpcall)
  )