put https://api-us.bluestonepim.com/pim/definitions/matrix//dryrun
This operation allows
users to see the number of elements affected by the matrix attribute definition update within the specified
context. If the attribute definition with the specified ID does not exist, a 404 error will be returned.
For more detailed information on how to work with attribute definitions in Bluestone PIM, refer to the Create,
edit or remove attributes article.