diff --git a/attn/attention.hpp b/attn/attention.hpp
new file mode 100644
index 0000000..28e7c76
--- /dev/null
+++ b/attn/attention.hpp
@@ -0,0 +1,70 @@
+#pragma once
+
+#include <libpdbg.h>
+
+namespace attn
+{
+
+/** @brief attention handler configuration flags */
+inline constexpr uint32_t enableBreakpoints = 1;
+
+/**
+ * @brief These objects contain information about an active attention.
+ *
+ * An Attention object is created for each active attention. These objects
+ * carry with them various configuration and status information as well
+ * the attention handler function to call for handling the attention. Each
+ * Attention object also carries a priority value. This priority is used
+ * to determine which attention event(s) to handle when there are more than
+ * one active event.
+ */
+class Attention
+{
+  public:
+    /** @brief types of attentions to be handled (by priority low to high) */
+    enum AttentionType
+    {
+        Special   = 0,
+        Checkstop = 1,
+        Vital     = 2
+    };
+
+    /** @brief Default constructor. */
+    Attention() = delete;
+
+    /** @brief Main constructors */
+    Attention(AttentionType i_type, int (*i_handler)(Attention*),
+              pdbg_target* i_target, bool i_breakpoints);
+
+    /** @brief Destructor */
+    ~Attention() = default;
+
+    /** @brief Get attention priority */
+    int getPriority() const;
+
+    /** @brief Get configuration flags */
+    uint32_t getFlags() const;
+
+    /** @brief Set configuration flags */
+    void setFlags(uint32_t i_flags);
+
+    /* @brief Call attention handler function */
+    int handle();
+
+    /** @brief Copy constructor. */
+    Attention(const Attention&) = default;
+
+    /** @brief Assignment operator. */
+    Attention& operator=(const Attention&) = default;
+
+    /** @brief less than operator */
+    bool operator<(const Attention& right) const;
+
+  private:
+    AttentionType iv_type;         // attention type
+    int (*iv_handler)(Attention*); // handler function
+    pdbg_target* iv_target;        // handler function target
+    uint32_t iv_flags = 0;         // configuration flags
+};
+
+} // namespace attn