diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/PiCriterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/PiCriterion.java
index 3970e76..43a5bdf 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/criteria/PiCriterion.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/PiCriterion.java
@@ -195,6 +195,18 @@
         }
 
         /**
+         * Adds an exact field match for the given fieldId and value.
+         *
+         * @param fieldId protocol-independent header field Id
+         * @param value   exact match value
+         * @return this
+         */
+        public Builder matchExact(PiMatchFieldId fieldId, String value) {
+            fieldMatchMapBuilder.put(fieldId, new PiExactFieldMatch(fieldId, copyFrom(value)));
+            return this;
+        }
+
+        /**
          * Adds a ternary field match for the given fieldId, value and mask.
          *
          * @param fieldId protocol-independent header field Id
@@ -399,6 +411,18 @@
         }
 
         /**
+         * Adds an optional field match for the given fieldId and value.
+         *
+         * @param fieldId protocol-independent header field Id
+         * @param value   optional match value
+         * @return this
+         */
+        public Builder matchOptional(PiMatchFieldId fieldId, String value) {
+            fieldMatchMapBuilder.put(fieldId, new PiOptionalFieldMatch(fieldId, copyFrom(value)));
+            return this;
+        }
+
+        /**
          * Builds a PiCriterion.
          *
          * @return PiCriterion
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionParam.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionParam.java
index a8d565c..91f6e04 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionParam.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionParam.java
@@ -104,6 +104,17 @@
     }
 
     /**
+     * Creates an action's runtime parameter for the given param ID and string
+     * value.
+     *
+     * @param id    parameter identifier
+     * @param value value
+     */
+    public PiActionParam(PiActionParamId id, String value) {
+        this(id, copyFrom(value));
+    }
+
+    /**
      * Returns the identifier of this parameter.
      *
      * @return parameter identifier