--- title: Pass multivalued properties with an Exchange activity description: To set a multivalued property using an Exchange activity, you must use a specific parameter format. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/orchestration/t\_PassMultivaluedProperties.html release: australia product: Orchestration classification: orchestration topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Exchange activity pack, Orchestration activity packs, Classic Orchestration, ServiceNow AI Platform Additional Capabilities, Extend ServiceNow AI Platform capabilities] --- # Pass multivalued properties with an Exchange activity To set a multivalued property using an Exchange activity, you must use a specific parameter format. ## About this task The Optional parameters shared input variable allows you to set [multivalued properties](http://technet.microsoft.com/en-us/library/bb684908%28v=exchg.150%29.aspx). ## Procedure - To set a multivalued property, replacing any existing values, use this format: "`PropertyName`":"\(`value1`, `value2`, `value3`\)" - To add values, use this format: "PropertyName":"+\(`value1`, `value2`, `value3`\);" - To remove values, use this format: "PropertyName":"-\(`value1`, `value2`, `value3`\);" - To both add and remove values, use this format: "PropertyName":"-\(`value1`, `value2`, `value3`\);+\(`value1`, `value2`, `value3`\);" **Parent Topic:**[Exchange activity pack](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/orchestration/c_OrchestrationExchangeActivities.md)