Get variable groups in a study

This gets all the variable groups in the study that are immediate children of the study/root. To get child groups, use the variablegroups method on each group.

Each group indicates how many variables and sub gruops it contains. They can be useful to save unnessecary calls to the server.

Request

{
   url: "/study/{studyId}/variable-groups"
}

Response

{
    payload: [
       {
           id: "text",
           name: "text",
           childGroupsCount: "number",
           childVariablesCount: "number"
       }
    ]
}