It's a 妈祖 temple. It's not shuang lin temple.
There have 3 different temples inside. I only prayed to 妈祖, 大伯公 and 注生娘娘。
You can ask the lady in the temple on how to pray and how to take the eggs. Need to tell zhu sheng niang niang before taking the eggs. She will tell you what to do.