diff --git a/src/include/switch_channel.h b/src/include/switch_channel.h
index e62a22a1ee..436cfef708 100644
--- a/src/include/switch_channel.h
+++ b/src/include/switch_channel.h
@@ -220,6 +220,7 @@ SWITCH_DECLARE(char *) switch_channel_get_uuid(switch_channel_t *channel);
   \returns SWITCH_STATUS_SUCCESS if successful
 */
 SWITCH_DECLARE(switch_status_t) switch_channel_set_variable(switch_channel_t *channel, const char *varname, const char *value);
+SWITCH_DECLARE(switch_status_t) switch_channel_set_variable_printf(switch_channel_t *channel, const char *varname,  const char *fmt, ...);
 
 SWITCH_DECLARE(switch_status_t) switch_channel_set_variable_partner(switch_channel_t *channel, const char *varname, const char *value);
 SWITCH_DECLARE(const char *) switch_channel_get_variable_partner(switch_channel_t *channel, const char *varname);
diff --git a/src/switch_channel.c b/src/switch_channel.c
index 1fa12c550b..838abe5f7f 100644
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -578,6 +578,37 @@ SWITCH_DECLARE(switch_status_t) switch_channel_set_variable(switch_channel_t *ch
 	return SWITCH_STATUS_FALSE;
 }
 
+switch_status_t switch_event_base_add_header(switch_event_t *event, switch_stack_t stack, const char *header_name, char *data);
+
+SWITCH_DECLARE(switch_status_t) switch_channel_set_variable_printf(switch_channel_t *channel, const char *varname,  const char *fmt, ...)
+{
+	int ret = 0;
+	char *data;
+	va_list ap;
+	switch_assert(channel != NULL);
+
+	if (!switch_strlen_zero(varname)) {
+		switch_mutex_lock(channel->profile_mutex);
+		switch_event_del_header(channel->variables, varname);
+
+		va_start(ap, fmt);
+		ret = switch_vasprintf(&data, fmt, ap);
+		va_end(ap);
+
+		if (ret == -1) {
+			switch_mutex_unlock(channel->profile_mutex);
+			return SWITCH_STATUS_MEMERR;
+		}
+
+		switch_event_base_add_header(channel->variables, SWITCH_STACK_BOTTOM, varname, data);
+
+		switch_mutex_unlock(channel->profile_mutex);
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	return SWITCH_STATUS_FALSE;
+}
+
 
 SWITCH_DECLARE(switch_status_t) switch_channel_set_variable_partner(switch_channel_t *channel, const char *varname, const char *value)
 {
diff --git a/src/switch_event.c b/src/switch_event.c
index 3a2dac52a5..6b22128d4d 100644
--- a/src/switch_event.c
+++ b/src/switch_event.c
@@ -625,7 +625,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_del_header(switch_event_t *event, c
 	return status;
 }
 
-static switch_status_t switch_event_base_add_header(switch_event_t *event, switch_stack_t stack, const char *header_name, char *data)
+switch_status_t switch_event_base_add_header(switch_event_t *event, switch_stack_t stack, const char *header_name, char *data)
 {
 	switch_event_header_t *header;
 	void *pop;