How to add shared paramters for material identity

[steedlei]

As title suggested. Is there a way to add shared parameter for material identity? something like reference, remark, etc.
Many thanks!

[eddy.lermytte]

Settings > Project Parameters > Add > Choose Project or Shared parameter.
Fill in Parameter data
Set "Group under" > Identity data
Set "Category" > Materials
Go to Materials > Identity > Custom Parameters

[steedlei]

Thank you so much!