The etiquette of kowtowing at the funeral?

Is it three worships and nine knocks or an ordinary gift? The process is as follows:

Mourning and kowtowing are generally divided into:

First, ordinary ceremony: first "bow", kneel down and kowtow four times, stand up, and then "bow". Li cheng

Second, a more solemn ceremony: three worships and nine knocks.

Bow first, kneel down and knock four heads; Stand up and bow, kneel down and kowtow, kneel at the table and offer three sticks of incense.

Drink three glasses of wine, kowtow four times, stand up and bow; * * * Count nine heads and three "hands". Li cheng

In addition, there are big worship and twenty-four worship; 8864 worship; It's too complicated now, and it's no longer needed.