BMat ID parameter

[Bruce Walker]

I’m trying to fill a Text parameter with the BMat ID of the selected building material, but for some reason it just fills it with a blank.

Parameters: object_mat (type Building Material), list_mat_id (type Text)
Script (in Master script):

	n = REQUEST{2} ("Building_Material_info", object_mat, "gs_bmat_id", matId)
	PARAMETERS list_mat_id = matId

The material id is properly retrieved (I’ve checked with a print statement), but the list_mat_id stays blank. If I replace the matId with any string (e.g. “Testing”) then it works fine…so I know the commands are correct. But for some reason, it just won’t fill with a BMat ID.

What am I missing?

www.brucepwalker.com
https://www.mindmeister.com/65450406

AC20 6005 AUS Full & AC 21 3009 NZE Full | Win 10 Pro 64 | Intel i7-7700HQ 2.80GHz | 16 Gb RAM
NVIDIA GeForce GTX 1060 8Mb

[Gergely Fehér]

n = REQUEST{2} ("Building_Material_info", name_or_index, param_name, value_or_values)

Returns information in the given variable(s) on a parameter of the specified building material. Expression returns 0 and contains dummy return values (emtpy string or 0) if used in parameter script, causing additional warning.

Gergely Fehér
Team Leader, Library Team
GRAPHISOFT SE

[Bruce Walker]

Thanks Gergely – it’s because I’m trying to use it in a parameter script. Didn’t get an error because I was doing it in the master script, so thought I’d managed to get around it. But no.

I am trying to do this so I can list the BMat ID of the object in a schedule. How would I go about this otherwise?

www.brucepwalker.com
https://www.mindmeister.com/65450406

AC20 6005 AUS Full & AC 21 3009 NZE Full | Win 10 Pro 64 | Intel i7-7700HQ 2.80GHz | 16 Gb RAM
NVIDIA GeForce GTX 1060 8Mb

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