{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/orbit/main/json-schema/orbit-activity-schema.json", "title": "Custom Activity", "x-generated": "2026-10-04", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/orbit-activities-api-openapi.yml#/components/schemas/activity", "type": "object", "properties": { "description": { "type": "string", "description": "A description of the activity; displayed in the timeline" }, "link": { "type": "string", "description": "A URL for the activity; displayed in the timeline" }, "link_text": { "type": "string", "description": "The text for the timeline link" }, "title": { "type": "string", "description": "A title for the activity; displayed in the timeline" }, "weight": { "type": "string", "description": "A custom weight to be used in filters and reports; defaults to 1." }, "activity_type": { "type": "string", "description": "The type of activity - what action was done by the member. This is a legacy field, use activity_type_key instead." }, "activity_type_key": { "type": "string", "description": "The key for a custom activity type for the workspace. Will create a new activity type if it does not exist." }, "key": { "type": "string", "description": "Supply a key that must be unique or leave blank to have one generated." }, "occurred_at": { "type": "string", "description": "The date and time the activity occurred; defaults to now" }, "properties": { "type": "object", "description": "Key-value pairs to provide contextual metadata about an activity." } }, "required": [ "title" ] }