diff --git a/experimental/addons/spark-kubernetes-operator/definitions/spark-cluster.cue b/experimental/addons/spark-kubernetes-operator/definitions/spark-application.cue
similarity index 67%
rename from experimental/addons/spark-kubernetes-operator/definitions/spark-cluster.cue
rename to experimental/addons/spark-kubernetes-operator/definitions/spark-application.cue
index 354cd682a..b3f05c3a5 100644
--- a/experimental/addons/spark-kubernetes-operator/definitions/spark-cluster.cue
+++ b/experimental/addons/spark-kubernetes-operator/definitions/spark-application.cue
@@ -1,7 +1,7 @@
-"spark-cluster": {
+"spark-application": {
 	annotations: {}
 	attributes: workload: type: "autodetects.core.oam.dev"
-	description: "Spark Component."
+	description: "Describes a containerized spark application that can specify resource spec."
 	labels: {}
 	type: "component"
 }
@@ -32,6 +32,17 @@ template: {
 		driverCores: int
 		// +usage=Specify the number of CPU cores to request for the executor pod
 		executorCores: int
+		// +usage=Specify a list of arguments to be passed to the application
+		arguments ?: [...string]
+		// +usage=Specify the config information carries user-specified Spark configuration properties as they would use the  "--conf" option in spark-submit
+		sparkConf ?: [string]: string
+		// +usage=Specify the config information carries user-specified Hadoop configuration properties as they would use the  the "--conf" option in spark-submit.  The SparkApplication controller automatically adds prefix "spark.hadoop." to Hadoop configuration properties
+		hadoopConf ?: [string]: string
+		// +usage=Specify the name of the ConfigMap containing Spark configuration files such as log4j.properties. The controller will add environment variable SPARK_CONF_DIR to the path where the ConfigMap is mounted to
+		sparkConfigMap ?: string
+		// +usage=Specify the name of the ConfigMap containing Hadoop configuration files such as core-site.xml. The controller will add environment variable HADOOP_CONF_DIR to the path where the ConfigMap is mounted to
+		hadoopConfigMap ?: string
+
 	}
 
         output: {