Dynamics crm: sharing records for users and teams

stay C# in , The following three classes may be used to share records for users and teams :

GrantAccessRequest	Share a record as not before share Users or teams who have this record
ModifyAccessRequest	Modify share permissions , For previously share Records for users or teams
RevokeAccessRequest	Cancel the sharing permission of a user or team on a record

• GrantAccessRequest

        Variable accountRef For records that need to be shared

         Variable teamRef For the team to share

var accouontRef = new EntityReference(Account.EntityLogicalName, _accountId);
var teamRef = new EntityReference(Team.EntityLogicalName, _teamId);
var grantAccessRequest = new GrantAccessRequest
{
    PrincipalAccess = new PrincipalAccess
    {
        //  Give reading , Write and delete permissions 
        AccessMask = AccessRights.ReadAccess | AccessRights.WriteAccess | AccessRights.DeleteAccess,
        Principal = teamRef
    },
    Target = accouontRef
};
_serviceProxy.Execute(grantAccessRequest);

• ModifyAccessRequest

        Variable accountRef For records that need to be shared

         Variable teamRef For the team to share

var accouontRef = new EntityReference(Account.EntityLogicalName, _accountId);
var teamRef = new EntityReference(Team.EntityLogicalName, _teamId);
var modifyUser1AccessReq = new ModifyAccessRequest
{
    PrincipalAccess = new PrincipalAccess
    {
        //  Give delete and additional permissions 
        AccessMask = AccessRights.DeleteAccess | AccessRights.AppendAccess,
        Principal = teamRef
    },
    Target = accouontRef
};
_serviceProxy.Execute(modifyUser1AccessReq);

• RevokeAccessRequest

        Variable accountRef For records that need to be shared

         Variable teamRef For the team to share

var accouontRef = new EntityReference(Account.EntityLogicalName, _accountId);
var teamRef = new EntityReference(Team.EntityLogicalName, _teamId);
var revokeUserAccessReq = new RevokeAccessRequest
{
    Revokee = teamRef,
    Target = accouontRef
};
_serviceProxy.Execute(revokeUserAccessReq);

Note:

• Use ModifyAccessRequest Permission cannot be empty , That is, you don't have any permissions , Even if it is empty , The system will also retain a read permission . So if you want a user or team to have no permissions on a record , Use it directly RevokeAccessRequest Let's remove permissions

Reference resources ：

Sample: Share records using GrantAccess, ModifyAccess and RevokeAccess messages (Developer Guide for Dynamics 365 Customer Engagement (on-premises)) | Microsoft Docshttps://docs.microsoft.com/en-us/dynamics365/customerengagement/on-premises/developer/sample-share-records-using-grantaccess-modifyaccess-revokeaccess-messages?view=op-9-1AccessRights Enum (Microsoft.Crm.Sdk.Messages) | Microsoft Docshttps://docs.microsoft.com/en-us/dotnet/api/microsoft.crm.sdk.messages.accessrights?view=dataverse-sdk-latest