Find Document using property which have same value

[sp2]

I have some document where my custom propery have same value so I want to find all those document where my custom property have same value.

[kaynezhang]

If endex is enabled on this property and tokenised is set to false or both. You can try to use facet search
https://docs.alfresco.com/content-services/latest/develop/rest-api-guide/searching/#faceted-search 

[sp2]

Is there any way where we can use group by kind if clause in alfresco?

[kaynezhang]

Alfresco community editon ,I'm afraid No.