Jenkins Declarative Pipeline with extended choice parameter

Question

I tried out to implement my first Declarative Pipeline with Jenkins to be able to put also the parameter definitions of a job under SCM.

I wanted to transfer an existing

Answer 1

This is what i used and Tested sucessfully for Single parameter you might need to convert it for Json

com.cwctravel.hudson.plugins.extended_choice_parameter.ExtendedChoiceParameterDefinition extch =new com.cwctravel.hudson.plugins.extended_choice_parameter.ExtendedChoiceParameterDefinition( "NAME", "PT_SINGLE_SELECT", "VALUE, a, b", null, null, null, null, null,null, null,null,null, null, null, null,null, null, null,null, null, null, null, null, null, null,null,false,false,2,"DESC", "," )