Restrict Implicit Synchronization to Specific Property Changes

For a mapping that has managed objects as the source, an implicit synchronization is triggered if any source property changes, regardless of whether the modified property is explicitly defined as a source property in the mapping.

This default behavior is helpful in situations where no source properties are explicitly defined—any property within the object is included as part of the mapping.

However, this behavior adds a processing overhead, because every mapping from the managed object is invoked when any managed object property changes. If several mappings are configured from the managed object, this default behavior can cause performance issues.

In these situations, you can restrict the properties that should trigger an implicit synchronization per mapping, using the triggerSyncProperties attribute. This attribute contains an array of JSON pointers to the properties that must change before an implicit synchronization to the target is triggered. If none of these properties changes, no synchronization is triggered, even if other properties in the object change.

In the following example, implicit synchronization is triggered only if the mail, telephoneNumber, or userName of an object changes:

{
    "mappings" : [
        {
            "name" : "managedUser_systemLdapAccounts",
            "source" : "managed/realm-name_user",
            "target" : "system/ldap/account",
            "enableLinking" : false,
            "triggerSyncProperties" : [
                "/mail",
                "/telephoneNumber",
                "/userName"
            ],
            "properties" : [],
            "policies" : []
        }
    ]
}

If any other property changes on the managed object, no implicit synchronization is triggered.

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