How to click by coordinates without element


I have scenario where I need to draw a fence on google maps within a webpage. Example is attached.

While recording, I clicked on 3 different points to create a fence but the object properties are same for the 3 clicks. First click is successful(so I think map is not set in iframe) but rest of the clicks are unsuccessful as it has same property.

I have tried with ‘Click Offset’ Keyword but getting error “Unable to click on the object”.