perm_dataData structure that contains information about a single permission, which can be associated with a permission group.
The permission category identifier.
The permission level. Supported values include:
all: Grants full access.
none: Denies all access.
cust: Applies a custom access rule, as defined in the selectedvals element.
(Conditional) When access = cust, provide a comma-separated-value (CSV) list of permission subcategory IDs.