Possible enumeration values:

NameValueDescription
AddComment

1

Comments can be added

AddCostLine

2

Cost lines can be added

AddPart

4

Parts can be added

AddAttachment

8

Attachments can be added

DeleteActivity

16

You are allowed to request activity deletion

ChangeAttachmentVisibillity

32

You are allowed to change attachment visibility

ChangeCommentVisibillity

64

You are allowed to change comment visibility