From Wiktionary, the free dictionary

• (Received Pronunciation) IPA^(key): /əˈtɹɪb.juː.tɪd/
• (General American) IPA^(key): /əˈtɹɪb.(j)ə.tɪd/, [əˈtɹɪb.(j)ə.ɾɪd]

attributed

1. simple past and past participle of attribute

attributed (not comparable)

1. (programming) decorated with an attribute

   • 2003, Peter Drayton, Ben Albahari, Ted Neward, C# in a Nutshell, page 536:

     This attribute is used to declare in metadata that the attributed method or class requires SocketPermission of the declared form.