For example
[{"id":"5bfdfd75.5562a4","type":"inject","z":"2bc02f46.a8e46","name":"Hide","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{\"group\":{\"hide\":[\"Tab1_Group_1\"]}}","payloadType":"json","x":190,"y":100,"wires":[["476fc34d.bc2a0c"]]},{"id":"476fc34d.bc2a0c","type":"ui_ui_control","z":"2bc02f46.a8e46","name":"","x":360,"y":120,"wires":[[]]},{"id":"6ebe218f.c626","type":"inject","z":"2bc02f46.a8e46","name":"Show","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{\"group\":{\"show\":[\"Tab1_Group_1\"]}}","payloadType":"json","x":190,"y":140,"wires":[["476fc34d.bc2a0c"]]},{"id":"f2a787bd.015a88","type":"function","z":"2bc02f46.a8e46","name":"Create payload","func":"msg.payload = {key1:\"Earth\",key2:\"Wind\",key3:\"Fire\", key4:\"Water\"};\nreturn msg;","outputs":"1","noerr":0,"initialize":"","finalize":"","x":340,"y":200,"wires":[["fa84a230.b0719"]]},{"id":"13c1f4d.609ae0b","type":"inject","z":"2bc02f46.a8e46","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":true,"onceDelay":"","topic":"","payload":"Start","payloadType":"str","x":190,"y":200,"wires":[["f2a787bd.015a88"]]},{"id":"fa84a230.b0719","type":"ui_template","z":"2bc02f46.a8e46","group":"49b17fdb.a4e67","name":"Text Panel 1","order":0,"width":"0","height":"0","format":"<style>\n\n #tex1 {\n font-weight:bolder;\n letter-spacing: 4px;\n fill: green;\n }\n \n #tex2 {\n font-weight:bolder;\n letter-spacing: 4px;\n fill: aqua;\n }\n \n #tex3 {\n font-weight:bolder;\n letter-spacing: 4px;\n fill: red;\n }\n \n #tex4 {\n font-weight:bolder;\n letter-spacing: 4px;\n fill: blue;\n }\n \n \n</style>\n\n\n<svg>\n\n\n<text id=\"tex1\" x=\"10\" y=\"10\" > {{msg.payload.key1}} </text>\n<text id=\"tex2\" x=\"10\" y=\"30\" > {{msg.payload.key2}} </text>\n<text id=\"tex3\" x=\"10\" y=\"50\" > {{msg.payload.key3}} </text>\n<text id=\"tex4\" x=\"10\" y=\"70\" > {{msg.payload.key4}} </text>\n<text id=\"tex5\" x=\"10\" y=\"90\" > {{msg.payload.key5}} </text>\n\n\n</svg>\n\n\n\n","storeOutMessages":false,"fwdInMessages":false,"resendOnRefresh":false,"templateScope":"local","x":510,"y":200,"wires":[[]]},{"id":"49b17fdb.a4e67","type":"ui_group","name":"Group 1","tab":"ac0de5e5.b75fb8","order":1,"disp":true,"width":"6","collapse":false},{"id":"ac0de5e5.b75fb8","type":"ui_tab","name":"Tab1","icon":"dashboard"}]
(Source: Is it possible to disable widgets or not display them? - #9 by Andrei)
How to eliminate the space for "Group 1"?
