• Documentation
• 2.4 Release Notes
• Changed APIs

Changed APIs

EnOS 2.4 introduces the following API behavioral changes.

EnOS General APIs

The limitation changes of some of the general APIs are listed in the below.

Service / Function	Before	After	Impact
Model Service	Attributes with dataType as string: Max 1024 characters	Attributes with dataType as string: Max 4000 characters	None
Connection Service > Product	productDesc: Max 100 characters	productDesc: Max 512 characters	None
Connection Service > Firmware Management	desc: Max 100 characters	desc: Max 512 characters	None
Asset Tree Service > Asset Tree	tags: Max 50 per asset tree	tags: Max 100 per asset tree	None

The required authorization and operation permission changes of some of the general APIs are listed in the below.

API Name	Before	After	Impact	EnOS Cloud	EnOS Edge
Model Service > Update Thing Model	Required Authorization: Model Management Required Operation Permission: Full Access	Required Authorization: Model Required Operation Permission: Update	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Create Product	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Product Required Operation Permission: Create	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Delete Product	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Product Required Operation Permission: Delete	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Update Product	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Product Required Operation Permission: Update	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Apply Certificate	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Certificate Required Operation Permission: Apply	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Renew Certificate	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Certificate Required Operation Permission: Renew	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Revoke Certificate	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Certificate Required Operation Permission: Revoke	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > List Certificate	Required Authorization: Device Management Required Operation Permission: Read	Required Authorization: Certificate Required Operation Permission: Read	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Create Firmware File	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Firmware Required Operation Permission: Create	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Get Firmware File List Device Current Firmware Search Firmware File Search Device Upgrade	Required Authorization: Device Management Required Operation Permission: Read	Required Authorization: Firmware Required Operation Permission: Read	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Delete Firmware	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Firmware Required Operation Permission: Delete	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Create OTA Job	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Firmware Required Operation Permission: Create OTA	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Get OTA Job Search OTA Job Search OTA Task	Required Authorization: Device Management Required Operation Permission: Read	Required Authorization: Firmware Required Operation Permission: Read OTA	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Start OTA Job Stop OTA Job Cancel OTA Task Retry OTA Task	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Firmware Required Operation Permission: Control OTA	None. The authorized service accounts have been updated synchronously	√	×
Connection Service > Delete OTA Job	Required Authorization: Device Management Required Operation Permission: Full Access	Required Authorization: Firmware Required Operation Permission: Delete OTA	None. The authorized service accounts have been updated synchronously	√	×

The applicability changes for EnOS Edge of some general APIs are listed in the below.

Service / Function	API Name	Before	After	Impact
Connection Service > Device Data	Get Latest Measurement Points	Not applicable to EnOS Edge	Supports invoking the API to get latest measurement points uploaded by EnOS Edge	None
Connection Service > Device	Search Device	Not applicable to EnOS Edge	Supports invoking the API to search the information of EnOS Edge devices	EnOS Edge simplifies some of the request and return parameters. For more information, see Search Device
Connection Service > HTTP Message Integration	Upload Measurement Points	Not applicable to EnOS Edge	Supports invoking the API to upload measurement points of EnOS Edge devices, except for file-type data	None
Alert Engine Service > Alert Content	Get Alert Content	Applicable to EnOS Edge，but does not support EnOS Edge to perform OU verification	Supports EnOS Edge to perform OU verification	None
Alert Engine Service > Alert Rule	Search Alert Rule	Not applicable to EnOS Edge	Supports invoking the API to query alert rules configured for devices of EnOS Edge	None
Alert Engine Service > Alert Record > History & Active Alert Records	Create Alert Batch Create Alerts Search Alerts Scroll Alerts Close Alert	Not applicable to EnOS Edge	Supports invoking APIs to (batch) create and search the history and active alert records of devices of EnOS Edge, or closing an active alert	None
Alert Engine Service > Alert Record > Alert Tags	Update Alert Tags Batch Update Alert Tags	Not applicable to EnOS Edge	Supports invoking APIs to (batch) updating history and active alert tags of devices of EnOS Edge	None

Model Service

API Name	Description	EnOS Cloud	EnOS Edge
Get Thing Model and Search Thing Model	Added new parameters isRequired and defaultValue for ThingDatapoint Struct.	√	×
Update Thing Model	Added new parameters isRequired and defaultValue for ThingDatapoint Struct to specify whether the values for input parameters are required as well as their default values when invoking services.	√	×

Connection Service

API Name	Description	EnOS Cloud	EnOS Edge
Search OTA Job	Supports fuzzy query of name and firmwareName in expression parameter.	√	×

Asset Tree Service

API Name	Description	EnOS Cloud	EnOS Edge
Delete Asset Node	Add new request parameter force to enable the user to delete a node as well as all its child nodes from the asset tree.	√	×

Alert Engine Service

API Name	Description
Get Alert Content	EnOS Edge supports OU verification for this API.