diff --git a/unilabos_msgs/action/LiquidHandlerMoveBiomek.action b/unilabos_msgs/action/LiquidHandlerMoveBiomek.action
new file mode 100644
index 00000000..b27ca56b
--- /dev/null
+++ b/unilabos_msgs/action/LiquidHandlerMoveBiomek.action
@@ -0,0 +1,6 @@
+string source
+string target
+
+---
+
+---
diff --git a/unilabos_msgs/action/LiquidHandlerOscillationBiomek.action b/unilabos_msgs/action/LiquidHandlerOscillationBiomek.action
new file mode 100644
index 00000000..dda1ac11
--- /dev/null
+++ b/unilabos_msgs/action/LiquidHandlerOscillationBiomek.action
@@ -0,0 +1,6 @@
+int32 rpm
+int32 time
+
+---
+
+---
diff --git a/unilabos_msgs/action/LiquidHandlerPauseBiomek.action b/unilabos_msgs/action/LiquidHandlerPauseBiomek.action
new file mode 100644
index 00000000..46fd65cd
--- /dev/null
+++ b/unilabos_msgs/action/LiquidHandlerPauseBiomek.action
@@ -0,0 +1,5 @@
+int32 time
+
+---
+
+---