you would create one MIGX-tv
name for example: nestedmigx
configs: nestedmigxouter
then you would create two empty migx-configurations on the MIGX-configurator-CMP
names: nestedmigxouter and nestedmigxinner
import this configurations to them:
nestedmigxouter:
{"formtabs":"[{\"MIGX_id\":\"1\",\"caption\":\"Fields\",\"fields\":[{\"MIGX_id\":\"1\",\"field\":\"fielda\",\"caption\":\"Field A\",\"inputTV\":\"\",\"inputTVtype\":\"\",\"configs\":\"\",\"sourceFrom\":\"config\",\"sources\":\"\",\"inputOptionValues\":\"\",\"default\":\"\"},{\"MIGX_id\":\"2\",\"field\":\"fieldb\",\"caption\":\"Field B\",\"inputTV\":\"\",\"inputTVtype\":\"\",\"configs\":\"\",\"sourceFrom\":\"config\",\"sources\":\"\",\"inputOptionValues\":\"\",\"default\":\"\"}]},{\"MIGX_id\":\"2\",\"caption\":\"images\",\"fields\":[{\"MIGX_id\":\"1\",\"field\":\"images\",\"caption\":\"Images\",\"inputTV\":\"\",\"inputTVtype\":\"migx\",\"configs\":\"nestedmigxinner\",\"sourceFrom\":\"config\",\"sources\":\"\",\"inputOptionValues\":\"\",\"default\":\"\"}]}]","contextmenus":"","actionbuttons":"","columnbuttons":"","filters":"","extended":{"migx_add":"Add Item","formcaption":"Item","win_id":"nestedmigxouter","packageName":"","classname":"","task":"","getlistsort":"","getlistsortdir":"","use_custom_prefix":"0","prefix":"","grid":"","gridload_mode":"1","check_resid":"1","check_resid_TV":"","join_alias":"","getlistwhere":"","joins":"","cmpmaincaption":"","cmptabcaption":"","cmptabdescription":"","cmptabcontroller":""},"columns":"[{\"MIGX_id\":\"1\",\"header\":\"Field A\",\"dataIndex\":\"fielda\",\"width\":\"\",\"renderer\":\"\",\"sortable\":\"false\",\"show_in_grid\":\"1\"},{\"MIGX_id\":\"2\",\"header\":\"Field B\",\"dataIndex\":\"fieldb\",\"width\":\"\",\"renderer\":\"\",\"sortable\":\"false\",\"show_in_grid\":\"1\"}]"}
nestedmigxinner:
{"formtabs":"[{\"MIGX_id\":\"1\",\"caption\":\"Image\",\"fields\":\"[{\\\"MIGX_id\\\":\\\"1\\\",\\\"field\\\":\\\"image\\\",\\\"caption\\\":\\\"Image\\\",\\\"inputTV\\\":\\\"\\\",\\\"inputTVtype\\\":\\\"image\\\",\\\"configs\\\":\\\"\\\",\\\"sourceFrom\\\":\\\"config\\\",\\\"sources\\\":\\\"\\\",\\\"inputOptionValues\\\":\\\"\\\",\\\"default\\\":\\\"\\\"}]\"}]","contextmenus":"","actionbuttons":"","columnbuttons":"","filters":"","extended":{"migx_add":"Add Image","formcaption":"Image","win_id":"nestedmigxinner","packageName":"","classname":"","task":"","getlistsort":"","getlistsortdir":"","use_custom_prefix":"0","prefix":"","grid":"","gridload_mode":"1","check_resid":"1","check_resid_TV":"","join_alias":"","getlistwhere":"","joins":"","cmpmaincaption":"","cmptabcaption":"","cmptabdescription":"","cmptabcontroller":""},"columns":"[{\"MIGX_id\":\"1\",\"header\":\"Image\",\"dataIndex\":\"image\",\"width\":\"\",\"renderer\":\"this.renderImage\",\"sortable\":\"false\",\"show_in_grid\":\"1\"}]"}
now you can play with this configurations. Add/move/remove tabs,columns,fields