Asana API node.js custom field update

[Bastien_Siebman]

Here is the correct synthax!

Can't update custom field value using Asana API

The issue here is that you’re trying to update the definition of a custom field, not the value of a custom field on a task. The API call you want is something like PUT /tasks/<task-id> { "data": { "custom_fields": { "1115652263994341": "10.5" } } }