Adventures with Postman: Dynamic Variables

Blank Request.json

{
	"id": "",
	"name": "",
	"email": ""
}

Pre-request Script.js

var name = pm.variables.replaceIn('{{$randomFirstName}} {{$randomLastName}}');
var email = name.replace(' ','');
pm.variables.set('name', name);
pm.variables.set('email', name.replace(' ',''));

Request.json

{
	"id": "{{$guid}}",
	"name": "{{name}}",
	"email": "GMAIL_USER_NAME+{{email}}@gmail.com"
}

Response.json

{
    "createdOn": "2020-08-04T12:37:44.6674816Z",
    "email": "GMAIL_USER_NAME+MalcolmReynolds@gmail.com",
    "id": "51fbe6de-c063-4f77-9551-49505c90178d",
    "name": "Malcolm Reynolds",
    "object": "User",
    "updatedOn": "2020-08-04T12:37:44.6674816Z",
    "userId": "51fbe6de-c063-4f77-9551-49505c90178d"
}