diff --git a/examples/tv-casting-app/linux/simple-app-helper.h b/examples/tv-casting-app/linux/simple-app-helper.h
index 90d6379b9fa4bb..5003d32851909a 100644
--- a/examples/tv-casting-app/linux/simple-app-helper.h
+++ b/examples/tv-casting-app/linux/simple-app-helper.h
@@ -30,6 +30,9 @@
  */
 const uint64_t kTargetPlayerDeviceType = 35;
 
+/**
+ * @brief Test values used for demo command and attribute read/subscribe calls
+ */
 const char kContentURL[]                          = "https://www.test.com/videoid";
 const char kContentDisplayStr[]                   = "Test video";
 const unsigned short kTimedInvokeCommandTimeoutMs = 5 * 1000;
diff --git a/examples/tv-casting-app/tv-casting-common/clusters/Clusters.h b/examples/tv-casting-app/tv-casting-common/clusters/Clusters.h
index 0aef66af086c3b..2da2f61e4825aa 100644
--- a/examples/tv-casting-app/tv-casting-common/clusters/Clusters.h
+++ b/examples/tv-casting-app/tv-casting-common/clusters/Clusters.h
@@ -24,6 +24,9 @@
 
 #include <app-common/zap-generated/cluster-objects.h>
 
+/**
+ * @brief This file contains classes representing all the Matter clusters supported by the Matter TV Casting library
+ */
 namespace matter {
 namespace casting {
 namespace clusters {
diff --git a/examples/tv-casting-app/tv-casting-common/core/Attribute.h b/examples/tv-casting-app/tv-casting-common/core/Attribute.h
index a1f4177b9e6516..8bd3db78a9af2d 100644
--- a/examples/tv-casting-app/tv-casting-common/core/Attribute.h
+++ b/examples/tv-casting-app/tv-casting-common/core/Attribute.h
@@ -26,8 +26,6 @@ namespace matter {
 namespace casting {
 namespace core {
 
-using WriteAttributeCallback = std::function<void(void * context, CHIP_ERROR)>;
-
 template <typename TypeInfoDecodableType>
 using ReadResponseSuccessCallbackFn =
     std::function<void(void * context, chip::Optional<TypeInfoDecodableType> before, TypeInfoDecodableType after)>;
@@ -67,6 +65,14 @@ class Attribute
         return hasValue ? chip::MakeOptional(value) : chip::NullOptional;
     }
 
+    /**
+     * @brief Reads the value of the Attribute that belongs to the associated Endpoint and corresponding Cluster
+     *
+     * @param context
+     * @param successCb Called when the Attribute is read successfully, with the value of the attribute after reading, as well as
+     * before (if the Attribute had been previously read)
+     * @param failureCb Called when there is a failure in reading the Attribute
+     */
     void Read(void * context, ReadResponseSuccessCallbackFn<typename TypeInfo::DecodableType> successCb,
               ReadResponseFailureCallbackFn failureCb)
     {
@@ -149,6 +155,15 @@ class Attribute
         }
     }
 
+    /**
+     * @brief Writes the value of the Attribute to an associated Endpoint and corresponding Cluster
+     *
+     * @param requestData value of the Attribute to be written
+     * @param context
+     * @param successCb Called when the Attribute is written successfully
+     * @param failureCb Called when there is a failure in writing the Attribute
+     * @param aTimedWriteTimeoutMs write timeout
+     */
     void Write(const typename TypeInfo::Type & requestData, void * context, WriteResponseSuccessCallbackFn successCb,
                WriteResponseFailureCallbackFn failureCb, const chip::Optional<uint16_t> & aTimedWriteTimeoutMs)
     {
@@ -222,6 +237,16 @@ class Attribute
         }
     }
 
+    /**
+     * @brief Subscribes to the value of the Attribute that belongs to the associated Endpoint and corresponding Cluster
+     *
+     * @param context
+     * @param successCb Called when the Attribute is read successfully, with the value of the attribute after reading, as well as
+     * before (if the Attribute had been previously read)
+     * @param failureCb Called when there is a failure in reading the Attribute
+     * @param minIntervalFloorSeconds
+     * @param maxIntervalCeilingSeconds
+     */
     void Subscribe(void * context, ReadResponseSuccessCallbackFn<typename TypeInfo::DecodableType> successCb,
                    ReadResponseFailureCallbackFn failureCb, uint16_t minIntervalFloorSeconds, uint16_t maxIntervalCeilingSeconds)
     {
@@ -309,6 +334,9 @@ class Attribute
     }
 };
 
+/**
+ * @brief Context object used by the Attribute class during the Read API's execution
+ */
 template <typename TypeInfoDecodableType>
 struct ReadAttributeContext
 {
@@ -327,6 +355,9 @@ struct ReadAttributeContext
     ReadResponseFailureCallbackFn mFailureCb;
 };
 
+/**
+ * @brief Context object used by the Attribute class during the Write API's execution
+ */
 template <typename TypeInfoType>
 struct WriteAttributeContext
 {
@@ -350,6 +381,9 @@ struct WriteAttributeContext
     chip::Optional<uint16_t> & mTimedWriteTimeoutMs;
 };
 
+/**
+ * @brief Context object used by the Attribute class during the Subscribe API's execution
+ */
 template <typename TypeInfoDecodableType>
 struct SubscribeAttributeContext
 {
diff --git a/examples/tv-casting-app/tv-casting-common/core/BaseCluster.h b/examples/tv-casting-app/tv-casting-common/core/BaseCluster.h
index 7e842e11df913b..e98f690cee0087 100644
--- a/examples/tv-casting-app/tv-casting-common/core/BaseCluster.h
+++ b/examples/tv-casting-app/tv-casting-common/core/BaseCluster.h
@@ -50,12 +50,30 @@ class BaseCluster
 
     memory::Weak<Endpoint> GetEndpoint() const { return mEndpoint.lock(); }
 
+    /**
+     * @brief Registers Commands and Attributes to this cluster
+     */
     virtual void SetUp() {}
+
+    /**
+     * @return Pointer to the Attribute registered in this cluster, corresponding to attributeId
+     */
     void * GetAttribute(const chip::AttributeId attributeId) { return mAttributes[attributeId]; }
+
+    /**
+     * @return Pointer to the Command registered in this cluster, corresponding to commandId
+     */
     void * GetCommand(const chip::CommandId commandId) { return mCommands[commandId]; }
 
 protected:
+    /**
+     * @brief Registers the attribute (expected to be of type Attribute *) against the attributeId in this cluster
+     */
     void RegisterAttribute(const chip::AttributeId attributeId, void * attribute) { mAttributes[attributeId] = attribute; }
+
+    /**
+     * @brief Registers the command (expected to be of type Command *) against the commandId in this cluster
+     */
     void RegisterCommand(const chip::CommandId commandId, void * command) { mCommands[commandId] = command; }
 
     memory::Weak<Endpoint> mEndpoint;
diff --git a/examples/tv-casting-app/tv-casting-common/core/Command.h b/examples/tv-casting-app/tv-casting-common/core/Command.h
index 92b0e6838ece4a..1840f4446928ed 100644
--- a/examples/tv-casting-app/tv-casting-common/core/Command.h
+++ b/examples/tv-casting-app/tv-casting-common/core/Command.h
@@ -39,6 +39,15 @@ class Command
 public:
     Command(memory::Weak<core::Endpoint> endpoint) { this->mEndpoint = endpoint; }
 
+    /**
+     * @brief Invokes this command on the associated Endpoint and corresponding Cluster
+     *
+     * @param request request data corresponding to this command invocation
+     * @param context
+     * @param successCb Called on command execution success, with responseData
+     * @param failureCb Called on command execution failure
+     * @param timedInvokeTimeoutMs command timeout
+     */
     void Invoke(RequestType request, void * context, CommandSuccessCallbackType<typename RequestType::ResponseType> successCb,
                 CommandFailureCallbackType failureCb, const chip::Optional<uint16_t> & timedInvokeTimeoutMs)
     {
@@ -112,6 +121,9 @@ class Command
     memory::Weak<core::Endpoint> mEndpoint;
 };
 
+/**
+ * @brief Context object used by the Command class during the Invoke API's execution
+ */
 template <typename RequestType>
 struct CommandContext
 {