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                             Properties – Opens the selected repository document property sheet. 
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                             Add Document Version – Opens the Add Document to Configuration dialog, which allows you to specify the version of a document to add to the configuration. 
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                             Add Related Document Versions – [models only] Adds any models that the selected model references through external shortcuts. The related models are automatically added to the configuration. 
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                             Add Document Versions From a Configuration – Opens the Select Configuration dialog, which lets you select a configuration, whose members will be added to the configuration. 
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                             Check Out – Checks out the selected repository document version (see Checking Documents out of the Repository). 
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                             Freeze – Freezes the selected repository document version (see Freezing Document Versions). 
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                             Unfreeze – Unfreezes the selected repository document version (see Unfreezing Document Versions). 
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                             Lock – Locks the selected repository document version (see Locking Document Versions). 
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                             Unlock – Unlocks the selected repository document version (see Unlocking Documents). 
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                             Delete – Deletes the selected document version from the configuration (see Deleting Document Versions). 
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