---
title: "Changes to Retrieve event definition"
method: GET
path: "/events/2026-09/event-definitions/{eventName}"
---

# Changes to Retrieve event definition

`GET /events/2026-09/event-definitions/{eventName}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-10-16** (2026-09) `758db024626a`: 25 info

## Changes

- **2026-10-16** (2026-09) `758db024626a`: 25 info
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #10: property-updated-comparative]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #11: datetime-rolling]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #12: rolling-property-updated]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #13: enumeration]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #14: alltypes]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #14: alltypes]/pruningRefineBy/oneOf[subschema #6: timepoint]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #14: alltypes]/pruningRefineBy/oneOf[subschema #7: rangedtime]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #15: number-ranged]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #16: multistring]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #16: multistring]/pruningRefineBy/oneOf[subschema #6: timepoint]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #16: multistring]/pruningRefineBy/oneOf[subschema #7: rangedtime]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #17: date]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #18: calendar-date]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #19: timepoint]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #1: bool]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #20: rangedtime]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #21: regex]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #2: number]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #3: string]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #4: datetime]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #5: datetime-ranged]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #6: datetime-comparative]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #7: bool-comparative]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #8: number-comparative]/propertyAspect` to the response with the `200` status
  - added the optional property `comboEventRules/composingRules/items/propertyFilters/items/operation/oneOf[subschema #9: string-comparative]/propertyAspect` to the response with the `200` status

---

[Operation](https://skmtc.dev/hubspot/apis/events-manage-event-definitions/docs/events/2026-09/event-definitions/:eventName/get.md) - [API](https://skmtc.dev/hubspot/apis/events-manage-event-definitions.md) - [Page](https://skmtc.dev/hubspot/apis/events-manage-event-definitions/changes/events/2026-09/event-definitions/:eventName/get)