Go into the module tab and enable your chosen heartrate module (Pulsoid/HypeRate)
If you're using Pulsoid, go into Pulsoid module's settings an obtain an API key. If you're using HypeRate, go it the HypeRate module's settings an enter your HypeRate ID
Go into the ChatBox tab and add a new clip by right clicking. Select the clip by left clicking, then click the edit button at the top
Select your chosen heartrate module (Pulsoid/HypeRate) on the left side, then enable the Connected state that's appeared
Exit the clip edit window and go into the run tab, then press the green run button