How to do array of element along a curved path?

[l.yong1]

How to do array of element along a curved path? Dynamo

[constantin.stroescu5WAR3]

a quick way for doing this is by using Dynamo:

[constantin.stroescu5WAR3]

You can do it also in plain Revit by using Railing . Balusters with Nested Families...

[ToanDN]

Adaptive family or mass with a divided path, associate the number of nodes with a parameter, another adaptive family hosted on a node, repeater to populate along the path on each note.

[constantin.stroescu]

an example of how Railing works...

object on curve array | Revit 2022 | Autodesk Knowledge Network

[barthbradley]

Another approach: Railing.

FWIW. 

[ToanDN]

See screencast for an example.