Dynamo,custom nodes (rhythm Nods)

[walid.espinosa]

Hi
i am trying to filter a list of elements but i get null result in the costume node “ʳʰʸᵗʰᵐ|Elements.GetParameterValueByNameTypeOrInstance” is their any solution to this issue

Thank you

[Garbage_Collector]

Hi Walid,
What is your parameter name input?

[walid.espinosa]

Hi MVE

it is a String,

Thank you

[Garbage_Collector]

Can you verify all those elements have that parameter?

[jacob.small]

Watch the spelling closely - keynote isn’t the same as KEYNOTE, Keynoteor Key Note.

[walid.espinosa]

yes i did it and now it s working thank you very much

[walid.espinosa]

Thank you @jacob.small , now i am aware of this and i write it correctly
Thanks a lot