HWPS-Actions.md

@@ -980,9 +980,20 @@ since 2.1
 
 **`Bar reference line definition action`** <a name="Barreferencelinedefinitionaction"></a>
 - [return to action list](#TopList)
-- Definition
-- Use case
+- Definition : The purpose of this action is to define the position of the dimension that will be generated.  
+The position will be specified by means of a point that the program will find on one of the profiles of the bar stack
+
+![image](uploads/5c10d1020b48c656e40b314ade294bb1/image.png)
+
+- Use case : Reference line procedure (linked to a bar stack)
 - Parameters
+- **Profile point**: point which will be projected on the plane defined by the line of bar 2 for the calculation of the 3d point position
+
+- **Reference line type**: name of the reference line that will be generated following the extrusion of the point for the position of the dimension
+
+ 
+ Note: The parameter Reference line type has to be entered manually.  The text does not have to be translated, so it is not necessary to use the text tool
+
 
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