Is ParameterTypeCheckBoxGroup no more supported?

HaoyangHaoyang Member Posts: 19 Learner I
I was building an operator with ParameterTypeCheckBoxGroup, and I find when I want to get the parameters, it returned null
ParameterTypeCheckBoxGroup leads=new ParameterTypeCheckBoxGroup(PARAMETER_LEADS, "choose the leads to focus on"); for (String lead : leadName.getLead()){
step.focused_leads= stringToSelection(getParameterAsString(PARAMETER_LEADS));

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    CKönigCKönig Administrator, Moderator, Employee, Member Posts: 70 RM Team Member
    Hi @Haoyang,

    I saw you posting multiple questions around creating your own extensions. Unfortunately, I don't know the answers myself, but wanted to make sure you are aware of the documentation that can be found here: For Developers - RapidMiner Documentation

    Have a nice weekend
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