Creating a string using parts of other strings

Create a new string by modifying other strings using the LowerCase, Concat and Substring functions.

{
	"users": [
		{
			"lastName": "Doe",
			"firstName": "John"
		},
		{
			"lastName": "Smith",
			"firstName": "Jane"
		},
		{
			"lastName": "Scott",
			"firstName": "Michael"
		}
	]
}

{
	"users": [
		{
			"lastName": "",
			"firstName": "",
			"id": ""
		}
	]
}

1. Drag and drop the input users element on the corresponding output element to map lastName and firstName.
   
2. Drag and drop a LowerCase function on the output id element.
3. Add a Concat function on the InputValue attribute of the LowerCase function.
4. Drag and drop the input lastName element on the Concat function.
5. Add a Substring function on the Concat function, under lastName.
6. Drag and drop the input firstName element on the Input Value attribute of the Substring function.
7. Double-click the Substring function to configure its properties:
   1. Enter 1 in the Start field to indicate that the substring should start with the first character of the firstName element.
   2. Enter 2 in the Length field to indicate that the substring should have a length of two characters.
   
8. Click OK.

Results

Your map is configured and should look like this:

You can use the Test Run feature to see the result. In this example, the following output is returned:

{
    "users": [
        {
            "lastName": "Doe",
            "firstName": "John",
            "id": "doejo"
        },
        {
            "lastName": "Smith",
            "firstName": "Jane",
            "id": "smithja"
        },
        {
            "lastName": "Scott",
            "firstName": "Michael",
            "id": "scottmi"
        }
    ]
}