How to Drive High Power LEDs – 3W Aluminum Backed Star LEDs

In the image of the multimeter measuring the current output from the driver it shows the meter connected directly across the output terminals for both voltage and current with the leads input connections to the mm changed for voltage and current. I thought current can only be measured when a load is in the circuit so the mm would be connected in the line feed to the led. As this is not what is showing in the image is the mm providing the load in this instance?
Hope you can advise

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