getstream io - What is the difference between an Activity's "Target" and "To" fields? -

what difference between activity feed's "target" , "to" fields?

can use "target" , "to" interchangeably? if not happens if use target , interchangeably? how impact data , view?

also, can have multiple "target"s?

the "target" field supplemental field noting activity meant user/list, it's purely reference , field optional.

the "to" field send activity other feeds, cc function of email client. it's optional we'll include empty list in activities when fetch feed.