First published on TECHNET on Oct 16, 2016
This post is a contribution from Manish Joshi, an engineer with the SharePoint Developer Support team
Custom Formula is implemented with Class CustomFormula.cs, compiled to a custom assembly and consumed through the following method:
Following is sample code to install the custom formula
To set custom retention policy for a content type with above registered CustomExpirationFormula, the sample code is:
To set the custom retention policy at the web's content type level, use following code to create a child content type for a web.
Be sure to use a different content type name for the root web's content type though.
For root web,
For non-root web:
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