Need some help in debuggng session

Hi please have a look at the below scenarios . The same code is running if i remove session=> . When i add session it says there were no request sent during simulation since it is not sending any .

val scn1 = scenario(“LaunchAction”).exec(
session => {

http(“Poll report status page report”)
.queryParam(“applicationId”, “GHERKINS”)
.queryParam(“requestor”, “GHERKINSS”)
.queryParam(“id”, “1”)


I need to add few prints etc in between . Can you please help me in this