Simple past tense and past participle of add. (verb)
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Use "added" in a sentence
"•added "Sort the main menu" setting (none / by name / by usage) • "Processes": added view and change the priority for threads"
"In the case of terrorism-related material, objections could fall in the categories "violent or repulsive conduct," including subcategories for "physical attack" or - in a label added last November after complaints about Mr. Awlaki - "promotes terrorism.""
"In the 19th century, the cause might be a church, and people donated money and they were then honored by having their name added to the quilt--much the way fundraisers today sell "bricks" or walkway stones to honor donors."