[Applies to: Microsoft Dynamics CRM 4.0]
An access right is granted to a user for a particular entity instance. The following table lists the descriptions for these access rights.
|Access right||Enumeration name||Description|
|Read||ReadAccess||Controls whether the user can read an entity instance.|
|Write||WriteAccess||Controls whether the user can update an entity instance.|
|Assign||AssignAccess||Controls whether the user can assign an entity instance to another user.|
|Append||AppendAccess||Controls whether the user can attach another entity instance to the specified entity instance. The Append and Append To access rights actually work in combination with one another. Every time that a user attaches one entity instance to another, the user must have both rights. For example, when you attach a note to a case, you must have the Append access right on the note and the Append To access right on the case for the operation to work.|
|Append To||AppendToAccess||Controls whether the user can append the entity instance in question to another entity instance. The Append and Append To access rights work in combination with one another. Every time that a user attaches one entity instance to another, the user must have both rights. For example, when you attach a file to a note, you must have the Append access right on the file attachment and the Append To access right on the note for the operation to work.|
|Share||ShareAccess||Controls whether the user can share an entity instance with another user or team. Sharing gives another user access to an entity instance. For more information, see Sharing.|
|Delete||DeleteAccess||Controls whether you can delete an entity instance.|
The right to create an instance of an entity is not included in the previous table because this right does not apply to an individual instance, but instead to a class of entities. Therefore, Create is handled as a privilege instead of as an access right. By default, the user who creates an entity instance will have all rights on that entity instance, unless his or her other privileges forbid a specific right.
The Create privilege controls whether you can create an entity instance. You can have the Create privilege with Local, Deep, or Global access level, and you will be able to create instances for other users. However, you can create instances for yourself only if you have Create and Read privileges.
For more information about dependencies that relate to Create privileges, see Security Dependencies.
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