Action parameter add expression

[S_S_SS]

Hi everbody

In dynamic block I want to add expression to the action parameter to make block flex able

Message appear to me that I can't do that

Is there any method to do that?? Even lisp? 

[Libbya]

You cannot add expressions to dynamic parameters.  However, you can affect properties like angle offset and distance multiplier.  You can also chain them.  The desired result can most often be accomplished, but because you did not post your block or give any real description, the desired result is unknown.  

[S_S_SS]

OK sir ..
thanks 
I have a block and use array action i want to adjust spacing between columns manually.....
I want quick properties ask me spacing between columns of array .. 
I have more of these blocks in one drawing and i can't change this spacing inside block editor  because I want to custom spacing for each block .....

[Libbya]

Your block is drawn 200,000 units from the origin.  You should draw the block at the origin.  Having it far from the origin can cause issues.  

Here's a screencast that shows how to set up a dynamic column offset for an array.  Bear in mind that you cannot dynamically alter the items within the array object, but you can alter the array properties using formulae.  In this case the formula simply references the column_offset user parameter.  You could also add a linear constraint to a construction line and use its name for the column offset if you would like to add a grip for editing the offset.  Bear in mind that you cannot dynamically alter the source objects for the array object.