category_indexing.ts

                                plugin.tx_solr.index.queue {
                                        news.fields {
                                                tags_textM = SOLR_MULTIVALUE
                                                tags_textM {
                                                        cObject = CONTENT
                                                        cObject {
                                                                table = pages
                                                                select {
                                                                        uidInList = this
                                                                        pidInList = 0
                                                                        selectFields = sys_category.*
                                                                        join = sys_category_record_mm ON pages.uid = sys_category_record_mm.uid_foreign JOIN sys_category ON sys_category.uid = sys_category_record_mm.uid_local
                                                                        where = sys_category_record_mm.tablenames = 'pages' AND sys_category.pid = PID_OF_THE_CATEGORY_FOLDER
                                                                }
                                                                renderObj = COA
                                                                renderObj {
                                                                        10 = TEXT
                                                                        10.field = title
                                                                        10.wrap = |,
                                                                }
                                                        }
                                                        separator = ,
                                                        removeEmptyValues = 1
                                                }
                                        }
                                }