Just click it and pick the needed vacancy that you already created in ATS:

To get inside the ATS you just need to click on the button "my ATS".

Here you can create your vacancy:

Clicking the section "ACTIONS" you can manage your vacancy:

Clicking the section "COLOR" you can choose the relevant color for you:

Clicking the vacancy you will step inside it:

You will meet:
1 - Steps that are needed to be created,
2 - Each step can be managed,
3 - Each candidate has the color point that helps you to move him between the steps.
