---
sourceDocument: Yokohama Operational Technology Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/operational-technology

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Operational Technology Management

ft:clusterId :

    - optm

bundleId :

    - optm

workflow :

    - Technology


---

# ISA Equipment Model system properties

# ISA Equipment Model system properties {#ariaid-title1}

Release version: Yokohama  
Updated February 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Enable the system properties for the ISA Equipment Model as needed.
You can access the system properties for the ISA Equipment Model by navigating to AllIndustrial Workspace AdminAll OT Properties. For more information about how to view and edit the OT system properties, see [View and edit OT system properties](https://servicenow-prod.fluidtopics.net/RbFUGt2G0RgB1X0vNz51rg "View and edit all of the Operational Technology (OT) related system properties for different applications.").  
The following table describes the system properties for the ISA Equipment Model. {#isa-equipment-model-system-properties__table_s3z_rwt_31c__entry__3}

| System property | Description | Type |
|-|-|-|
| sn_isa_model.cmdb_relationships_sync_levels | Number of levels of CMDB relationships that are synchronized. | Integer |
| sn_isa_model.short_code_validation_max_length | Maximum length for the short code validation. | Integer |
| sn_isa_model.excluded_operational_statuses | List of equipment model operational statuses that need to be filtered out from the equipment model page. | String |
| sn_isa_model.user_search_matching_attribute | Column on the User Table \[sys_user\] that matches with a user in the system. By default, the Email column on the User table is used. | String |
| sn_isa_model.user_sites_cache.expiry_time | Expiration time in seconds. The default is set to 600 (10 minutes). | Integer |
| sn_isa_model.use_user_sites_cache | Enables the session cache for ISA entity records. | Boolean |
[Table 1. ISA Equipment Model System Properties]

{#isa-equipment-model-system-properties__table_s3z_rwt_31c}

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