azuredeploy.json

{
	"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
	"contentVersion": "1.0.0.0",
	"parameters": {
		"accountName": {
			"type": "string",
			"metadata": {
				"description": "Cosmos account name"
			}
		},
		"keyspaceName": {
			"type": "string",
			"metadata": {
				"description": "Cassandra Keyspace name"
			}
		},
		"tableName": {
			"type": "string",
			"metadata": {
				"description": "Cassandra Table name"
			}
		},
		"throughput": {
			"type": "int",
			"minValue": 400,
			"maxValue": 1000000,
			"metadata": {
				"description": "Updated throughput"
			}			
		}
	},
	"variables": {
		"accountName": "[toLower(parameters('accountName'))]"
	},
	"resources": 
	[
		{
			"type": "Microsoft.DocumentDB/databaseAccounts/apis/keyspaces/tables/settings",
			"name": "[concat(variables('accountName'), '/cassandra/', parameters('keyspaceName'), '/', parameters('tableName'), '/throughput')]",
			"apiVersion": "2016-03-31",
			"properties": {
				"resource": {
				  "throughput": "[parameters('throughput')]"
				}
			}
		}
	]
}