- They allow you to uniquely identify the unified profiles created by the ruleset, which is especially useful when testing new ruleset configurations, or if wishing to use multiple unifications on the same object.
Optionally, add a ruleset ID of up to four text characters. The ruleset ID can’t be changed and becomes part of the data model object names and API names. If you have two rulesets for an object, at least one must have a ruleset ID.
Tip Use
testas a ruleset ID. After using thetestruleset to test different combinations of match and reconciliation rules, delete the ruleset. If you delete a ruleset and want to use the same ruleset ID again later, you could encounter an error. Wait for Data Cloud to finish deleting the ruleset with your desired ruleset ID and try again.- Source: https://help.salesforce.com/s/articleView?id=data.c360_a_identity_resolution_ruleset_create.htm&type=5