Metadata is created and properties are added to it based on these options.
| Constant | Value | Description | 
|---|---|---|
| esriMSAAccessed | 0 | Properties are added to metadata when it is accessed; metadata is created if it doesn't already exist. | 
| esriMSAAlways | 1 | Properties are added to metadata always; metadata is created if it doesn't already exist. | 
| esriMSACreated | 2 | Metadata is created and properties are added to it when metadata doesn't already exist. | 
| esriMSANotCreated | 3 | Properties are added to existing metadata. | 
| esriMSAOverwrite | 4 | Same as esriMSAAlways, except that individual tags are always updated, regardless of the value of the Sync attribute. | 
| esriMSASelective | 5 | Same as esriMSAOverwrite, except that certain perperties (Name and ContentType as of now) won't be overwrite. |