/relatedData/createRecord

Adds ONE record to a data set. The data set is defined using related data filter.
The object for filtering related data. If provided, only records with matching values for all columns and value pairs are selected.

datasetName (String, required) - Name of the related data set. All related data records reside within a data set identified by a unique name.
key (String, required) - Key defining which record(s) to select from the data set.
filter (Attribute, optional) - An optional list of name, value pair
Request body example:

{
  "datasetName": "products",
  "key": "testuser@domain.com",
  "data": [
    {
      "name": "productname",
      "value": "bicycle"        
    },
    {
      "name": "quantity",
      "value": "1"     
    }   
  ]
}