Update attribute values
Update the values of certain attributes.
For security reasons, you need to perform a Login action before making any other public calls to the WorldServer API. The
sessionId in the response is your session token. Use this token in all the other calls that you make.
Also, make sure that you have the appropriate user type permissions to perform this API call. To view or update your permissions, in WorldServer, go to and then select your user type.
API call
<protocol>://<ws-host>:<ws-port>/ws-api/v1/attributeValues?token=<sessionId>
Details
- POST method
- Content-Type in the header:
application/json - Mandatory parameters:
- the session token (as a query string parameter or as a key-value pair in the header)
- resource (in the JSON body):
id - attribute (in the JSON body):
id,name,resourceType,type,readOnly
Request body examples
Task and project attribute values:

Workgroup attribute values:

Response
Error messages
| Message | Status code |
|---|---|
| Field attribute.name is not set | 400 Bad Request |
| Field attribute.type is not set | 400 Bad Request |
| No session token provided or invalid token | 401 Unauthorized |
| The resource Id is not found or is not a valid number (Null Pointer Exception) | 500 Internal Server Error |
| Resource Type is not set (Null Pointer Exception) | 500 Internal Server Error |
| Field readOnly is not provided (Null Pointer Exception) | 500 Internal Server Error |
| Field resource is not provided (Null Pointer Exception) | 500 Internal Server Error |