You can use …
n = REQUEST ("ASSOCLP_PARVALUE", expr, name_or_index, type, flags, dim1, dim2, p_values)
Or
n = REQUEST ("ASSOCLP_PARVALUE_WITH_DESCRIPTION", expr, name_or_index, type, flags, dim1, dim2, p_values_and_descriptions)
But the problem is you need to know the parameter name or index you want before you can request it – which defeats the purpose of requesting it?
To label all parameters of an object you might want to look at this …
Barry.
Versions 6.5 to 22
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision M6800 - i7 4700MQ @ 2.40GHz, 16GB RAM, AMD FirePro M6100 (2GB), Windows 7 64bit