To assign a contact attribute to another category or to reset the current category selection, use the updateDataSet mutation.

mutation {
  updateDataSet(
    where: { dataSetId: "4fe4136f-c007-44a3-b38f-92220xxxxxxxx" }
    to: {
      attributes: {
        update: [
          { name: "iPhone user", category: "Demographic" }
          { name: "First Name", category: "Contact information" }
        ]
      }
    }
  ) {
    dataSetId
  }
}

{
  "data": {
    "updateDataSet": {
      "dataSetId": "4fe4136f-c007-44a3-b38f-92220xxxxxxxx"
    }
  }
}

Arguments

Arguments required by the updateDataSet object

Argument name	Nested field	Values	Definition
`where`	`dataSetId`	ID	The ID of your audience
`to`	`attributes`	See nested fields	The changes you want to make

Fields nested inside attributes (all of them are required)

Field	Nested field	Values	Definition
`update`	`name`	String (case-sensitive)	The name of the contact attribute to update
	`category`	String To reset the current category, submit the `null` value.	The name of a new category for the contact attribute. Use the Get all categories of contact attributes query to get the list of supported values.

Fields

Fields returned by the updateDataSet mutation

Field	Values	Required?	Definition
`dataSetId`	ID	Required	The ID of the audience

Possible error messages

Error code	Definition
`ATTRIBUTE_NOT_DEFINED`	There is no contact attribute with this name in the current audience.