What is "Reference Model Management" feature?
This feature connects multiple files and let multiple-users to work on the diagram at the same time. When any change is made in one diagram, the change will be visible in other diagrams for all the other users.
When the Reference model was updated
When the reference model has been updated with someone else, you will get the window below when you open a project.

Click [OK] to go next and update.

Update Reference project using Commandline
You can update reference model by using .bat and .sh files.
Updates Certain Reference Models based on Time Stamp
By using "update-all" with specified directory, you are able to update all the .asta files which are stored in the specified directory and are not updated yet in Astah. The command line tool checks whether they needed to be updated or not by the time stamp that the file contains. However by using "use-builtin-timestamp" or "ubt", you can find .asta files to be updated based on the timestamp which the project has.
Windows
call astah-run.bat "astah_directory_path" update-all
e.g.
call astah-run.bat "C:\\Program Files\\astah-professional" update-all
Mac/Linux
astah-run.sh "astah_directory_path" update-all
e.g.
astah-run.sh "/home/tanaka/astah-professional" update-all
- You can find "astah-run.bat" or "astah-run.sh" in Astah Installation folder.
- It exports log files as yyyyMMdd_HHmm_astah_convert_command.log in the directory.
Update all Reference Models
Use following commands to update all the reference models in all *.asta files inside the selected directory.
Windows
call astah-run.bat "asta_directory_path" update-all-force
e.g.
call astah-run.bat "C:\\Program Files\\astah-professional" update-all-force
Linux
astah-run.sh "astah_directory_path" update-all-force
e.g.
astah-run.sh "/home/tanaka/astah-professional" update-all-force
Preferences
You can configure some detailed settings regarding the reference model management features from [Tools] - [System Properties].
![[System Properties] - [Reference Model Management] reference project](/manual/images/system-properties/model-reference.png)