start new workflow when one of the custom properties of existing document changed.

[tamara_peik]

I need to start new workflow when one of the custom properties of existing document is changed.

 Is there any way to execute server-side javascript when editing metadata and how I can get which property changed.

[eugenio_romano]

is this question related to ADF or you are using only Alfresco content service?

[tamara_peik]

I use alfresco content service, i choosed category incorrectly  and can't change it now