---
title: Reuse links between mappings
description: When two mappings synchronize the same objects bidirectionally, use the links property in one mapping to have IDM use the same link for both mappings. If you do not specify a links property, IDM maintains a separate link for each mapping.
component: pingoneaic
page_id: pingoneaic:idm-synchronization:reusing-links
canonical_url: https://docs.pingidentity.com/pingoneaic/idm-synchronization/reusing-links.html
keywords: ["Synchronization", "Mappings"]
section_ids:
  reusing-mapping-links-ui: Reuse links between mappings using the IDM admin console
---

# Reuse links between mappings

When two mappings synchronize the same objects bidirectionally, use the `links` property in one mapping to have IDM use the same link for both mappings. If you do not specify a `links` property, IDM maintains a separate link for each mapping.

The following excerpt shows two mappings, one from MyLDAP accounts to managed users, and another from managed users to MyLDAP accounts. In the second mapping, the `link` property indicates that IDM should reuse the links created in the first mapping, rather than create new links:

```json
{
    "mappings": [
        {
            "name": "systemMyLDAPAccounts_managedUser",
            "source": "system/MyLDAP/account",
            "target": "managed/realm-name_user"
        },
        {
            "name": "managedUser_systemMyLDAPAccounts",
            "source": "managed/realm-name_user",
            "target": "system/MyLDAP/account",
            "links": "systemMyLDAPAccounts_managedUser"
        }
    ]
}
```

## Reuse links between mappings using the IDM admin console

1. From the IDM console, click Native Consoles > Identity Management.

2. From the navigation bar, click Configure > Mappings.

3. Click New Mapping.

4. On the Create Mapping screen select a mapping to link on the Linked Mapping attribute.