Revert "test edit model event, error in name class?"

This reverts commit b086d176c6077f1bcc904ce764582e66af0d4014.
Revert "Revert "test edit model event, error in name class?""

This reverts commit 2cca55ad3de684ea4856eb9a50b1fa9c06144f1d.
Revert "Revert "Revert "test edit model event, error in name class?"""

This reverts commit 581b6ba0d5b13454aefbdf36c5ffd756e23b2e24.