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Hi Ryan,

After you add linear parameter to dynamic block, you have associate an action with this parameter which will allow you to change dynamically contents of the block:

https://knowledge.autodesk.com/support/autocad-for-mac/learn-explore/caas/CloudHelp/cloudhelp/2018/E...

Hi Ryan,

To enable the dynamic grip for linear parameter, you need to assign action to that parameter to define the behavior: Move, Stretch or anything else.

To easily specify the action, you can double click the parameter in Block Editor Space. It will as you to assign action:

Hope this topic will be helpful for you.

Thanks,

Leaf

AutoCAD Test Engineer

Leaf Chai
AutoCAD QA Analyst