--- title: Library slug: content-marketing-platform/api/_KLI-library docTags: createdAt: 2026-06-24T17:47:30.254Z --- ## asset\_added An asset (`article`, `image`, `video`, `raw file`, or `structured content`) was added to the library for reasons including, but not limited to, uploading assets, completing a task, and so on. ### Payload | **Key** | **Type** | **Description** | | -------------------------------------- | ---------------- | --------------------------------------------------------------------------------------------------------------------------------------- | | event\_name | string | Name of the event. The value is `asset_added`. | | data | object | Data of the event. | | data\[asset] | object | Data of the asset associated with the event. | | data\[asset]\[id] | string | Unique identifier of the asset. | | data\[asset]\[owner\_organization\_id] | string | Owner organization ID of the asset. | | data\[asset]\[type] | string | Type of the asset. Value can be `article`, `image`, `video`, `raw_file`, or `structured_content`. | | data\[asset]\[source] | object | Source of the asset. | | data\[asset]\[source]\[id] | string or `null` | Identifier of the source. Sends the ID of a `task` if the asset is added by completing the task. | | data\[asset]\[source]\[type] | string or `null` | Type of the source. Sends `task` as the value, if the asset is added by completing the task. | | data\[asset]\[source]\[links] | object | Links related to the asset source. | | data\[asset]\[source]\[links]\[self] | string or `null` | URL to fetch the source details through the CMP Open API. Sends the URL of the `task` API if the asset is added by completing the task. | | data\[asset]\[links] | object | Links related to the asset. | | data\[asset]\[links]\[self] | string | URL to fetch the asset's details through the CMP Open API. | ### Example ```json { "event_name": "asset_added", "data": { "asset": { "id": "019a86405de737b4ec3e616a4aeff981", "owner_organization_id": "5108c3a9becac35915111191", "type": "image", "source": { "id": "656893caea057917c5796f2e", "type": "task", "links": { "self": "https://api.cmp.optimizely.com/v3/tasks/656893caea057917c5796f2e" } }, "links": { "self": "https://api.cmp.optimizely.com/v3/images/019a86405de737b4ec3e616a4aeff981" } } } } ``` ## asset\_removed An asset (`article`, `image`, `video`, `raw file`, or `structured content`) was removed from the library for reasons including, but not limited to, deleting assets. ### Payload | **Key** | **Type** | **Description** | | -------------------------------------- | ---------------- | ------------------------------------------------------------------------------------------------- | | event\_name | string | Name of the event. The value is `asset_removed`. | | data | object | Data of the event. | | data\[asset] | object | Data of the asset associated with the event. | | data\[asset]\[id] | string | Unique identifier of the asset. | | data\[asset]\[owner\_organization\_id] | string | Owner organization ID of the asset. | | data\[asset]\[type] | string | Type of the asset. Value can be `article`, `image`, `video`, `raw_file`, or `structured_content`. | | data\[asset]\[public\_url] | string or `null` | Public URL of the asset. | ### Example ```json { "event_name": "asset_removed", "data": { "asset": { "id": "870825113a12950a7eeeb64a64236d49", "owner_organization_id": "5108c3a9becac35915111191", "type": "article", "public_url": "https://example.com/test" } } } ``` ## asset\_modified An asset (`article`, `image`, `video`, `raw file`, or `structured content`) was modified in the library. The event is triggered when specific attributes of a file type change, as listed below. - `article` – title, fields, file location, expires\_at, tags, owner\_id, url, is\_archived - `image` & `video` – title, description, fields, file location, versions, alt\_text, expires\_at, tags, attribution\_text, owner\_id, url, is\_archived - `raw file` – title, description, fields, file location, versions, expires\_at, tags, attribution\_text, owner\_id, url, is\_archived - `structured content` – file location, fields, tags, owner\_id, is\_archived ### Payload | **Key** | **Type** | **Description** | | -------------------------------------- | ---------------- | --------------------------------------------------------------------------------------------------------------------------------------- | | event\_name | string | Name of the event. The value is `asset_modified`. | | data | object | Data of the event. | | data\[asset] | object | Data of the asset associated with the event. | | data\[asset]\[id] | string | Unique identifier of the asset. | | data\[asset]\[owner\_organization\_id] | string | Owner organization ID of the asset. | | data\[asset]\[type] | string | Type of the asset. Value can be `article`, `image`, `video`, `raw_file`, or `structured_content`. | | data\[asset]\[source] | object | Source of the asset. | | data\[asset]\[source]\[id] | string or `null` | Identifier of the source. Sends the ID of a `task` if the asset is modified by completing the task. | | data\[asset]\[source]\[type] | string or `null` | Type of the source. Sends `task` as the value, if the asset is modified by completing the task. | | data\[asset]\[source]\[links] | object | Links related to the asset source. | | data\[asset]\[source]\[links]\[self] | string or `null` | URL to fetch the source details through the CMP Open API. Sends the URL of the `task` API if the asset is added by completing the task. | | data\[asset]\[links] | object | Links related to the asset. | | data\[asset]\[links]\[self] | string | URL to fetch the asset's details through the CMP Open API. | | data\[attributes\_changed] | array | List of attributes that trigger the webhook | ### Example ```json { "event_name": "asset_modified", "data": { "asset": { "id": "019a86405de737b4ec3e616a4aeff951", "owner_organization_id": "5108c3a9becac35915111191", "type": "image", "source": { "id": "656893caea057917c5796f2e", "type": "task", "links": { "self": "https://api.cmp.optimizely.com/v3/tasks/656893caea057917c5796f2e" } }, "links": { "self": "https://api.cmp.optimizely.com/v3/images/019a86405de737b4ec3e616a4aeff951" } }, "attributes_changed": ["title", "description", "expires_at"] } } ``` ## asset\_renditions\_created An asset's renditions are created. ### Payload | **Key** | **Type** | **Description** | | -------------------------------------- | -------- | ------------------------------------------------------------- | | event\_name | string | Name of the event. The value is `asset_renditions_created`. | | data | object | Data of the event. | | data\[asset] | object | Data of the asset associated with the event. | | data\[asset]\[id] | string | Unique identifier of the asset. | | data\[asset]\[owner\_organization\_id] | string | Owner organization ID of the asset. | | data\[asset]\[type] | string | Type of the asset. | | data\[asset]\[links] | object | Links related to the asset. | | data\[asset]\[links]\[self] | string | URL to fetch the asset's details through the CMP Open API. | | data\[asset]\[links]\[renditions] | string | URL to fetch the asset's renditions through the CMP Open API. | ### Example ```json { "event_name": "asset_renditions_created", "data": { "asset": { "id": "019a86405de737b4ec3e616a4aeff951", "owner_organization_id": "5108c3a9becac35915111191", "type": "image", "links": { "self": "https://api.cmp.optimizely.com/v3/images/019a86405de737b4ec3e616a4aeff951", "renditions": "https://api.cmp.optimizely.com/v3/assets/019a86405de737b4ec3e616a4aeff951/renditions" } } } } ```