1 files changed, 5 insertions, 0 deletions
diff --git a/pn_trans.h b/pn_trans.h
index 397efb8..8b3aa1e 100644
--- a/pn_trans.h
+++ b/pn_trans.h
@@ -1,10 +1,15 @@
 #ifndef PN_TRANS_H
 #define PN_TRANS_H
 
+struct pn_cmd;
+
+typedef void (*pn_trans_cb_t)(void *node, struct pn_cmd *cmd);
+
 struct pn_trans {
 	int id;
 	char *command;
 	char *params;
+	pn_trans_cb_t cb;
 };
 
 struct pn_trans *pn_trans_new(void);