Through a strong expulsion of breath, ha, the dying elder would pass their special mana and expertise to a chosen family member. This could be preceded with a chant and prayer and the expression of the last secret of the elder's expertise. Aumakua could take many forms - plant, animal, fish. The 'aumakua guided and protected the family. Often the 'aumakua would take physical form of its representative creature to communicate to the living.
Communication can be in words although more often it is through signs and symbols.
A family member may ask for the help and guidance of an 'aumakua. Often the 'aumakua will be honored with gifts and gestures of respect.