Send An Adaptive Card from Designer
Design your card using variables
Copy Paste the json on the template node (format: mustache, output: json)
Set variables before the card
set the text message parameters after the card
for urls, encode it before, using https://www.url-encode-decode.com/
[{"id":"7f63bb84.863d34","type":"change","z":"8eb50c91.720f5","name":"Set Data","rules":[{"t":"set","p":"stock.name","pt":"msg","to":"Amazon.com, Inc. (NASDAQ: AMZN)","tot":"str"},{"t":"set","p":"brand","pt":"msg","to":"https%3A%2F%2Fwww.marketplace.org%2Fwp-content%2Fuploads%2F2019%2F07%2Fama2.png","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":280,"y":160,"wires":[["bcd47449.c24b68"]],"info":"Encoded URL"},{"id":"bcd47449.c24b68","type":"template","z":"8eb50c91.720f5","name":"Card template from designer","field":"card","fieldType":"msg","format":"json","syntax":"mustache","template":"{\n \"$schema\": \"http://adaptivecards.io/schemas/adaptive-card.json\",\n \"type\": \"AdaptiveCard\",\n \"version\": \"1.3\",\n \"speak\": \"Amazon stock is trading at $62.30 a share, which is down .32%\",\n \"body\": [\n {\n \"type\": \"Image\",\n \"url\": \"{{brand}}\",\n \"size\": \"Large\",\n \"horizontalAlignment\": \"Center\"\n },\n {\n \"type\": \"Container\",\n \"items\": [\n {\n \"type\": \"TextBlock\",\n \"text\": \"{{stock.name}}\",\n \"size\": \"Medium\",\n \"isSubtle\": true\n },\n {\n \"type\": \"TextBlock\",\n \"text\": \"September 19, 4:00 PM EST\",\n \"isSubtle\": true\n }\n ]\n },\n {\n \"type\": \"Container\",\n \"spacing\": \"None\",\n \"items\": [\n {\n \"type\": \"ColumnSet\",\n \"columns\": [\n {\n \"type\": \"Column\",\n \"width\": \"stretch\",\n \"items\": [\n {\n \"type\": \"TextBlock\",\n \"text\": \"75.30\",\n \"size\": \"ExtraLarge\"\n },\n {\n \"type\": \"TextBlock\",\n \"text\": \"▼ 0.20 (0.32%)\",\n \"size\": \"Small\",\n \"color\": \"Attention\",\n \"spacing\": \"None\"\n }\n ]\n },\n {\n \"type\": \"Column\",\n \"width\": \"auto\",\n \"items\": [\n {\n \"type\": \"FactSet\",\n \"facts\": [\n {\n \"title\": \"Open\",\n \"value\": \"62.24\"\n },\n {\n \"title\": \"High\",\n \"value\": \"62.98\"\n },\n {\n \"title\": \"Low\",\n \"value\": \"62.20\"\n }\n ]\n }\n ]\n }\n ]\n }\n ]\n }\n ],\n \"backgroundImage\": {\n \"horizontalAlignment\": \"Right\",\n \"verticalAlignment\": \"Center\"\n },\n \"verticalContentAlignment\": \"Bottom\"\n}","output":"json","x":480,"y":160,"wires":[["544c770a.0d6878","3f3764b8.b5811c"]],"info":"Use designer to create your adaptive Card:\nhttps://adaptivecards.io/designer/\n\nFor variables, use {{varname}}\n\nexample:\n` {\n \"type\": \"TextBlock\",\n \"text\": \"{{name}}\"\n },`\n"},{"id":"544c770a.0d6878","type":"function","z":"8eb50c91.720f5","name":"","func":"msg.roomId = \"!LAMIpamyCBxUOVQhii:m.tekos.co\"\n\nmsg.url = \"https://\"+env.get(\"BASE_URL\")+\"/_matrix/client/r0/rooms/\"+msg.roomId+\"/send/m.room.message?access_token=\"+env.get(\"TEKOS_BOT_TOKEN\");\nmsg.payload={\n \"body\": \"\",\n \"msgtype\": \"m.text\",\n// \"composer\": true,\n \"adaptiveCard\":msg.card\n}\n\n\nreturn msg;\n","outputs":1,"noerr":0,"x":670,"y":160,"wires":[["da3a8dc4.e274d"]]},{"id":"da3a8dc4.e274d","type":"http request","z":"8eb50c91.720f5","name":"","method":"POST","ret":"txt","paytoqs":false,"url":"","tls":"","persist":false,"proxy":"","authType":"","x":810,"y":160,"wires":[["546051b4.d9789"]]},{"id":"546051b4.d9789","type":"debug","z":"8eb50c91.720f5","name":"success","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":960,"y":160,"wires":[]},{"id":"c93c388f.040b48","type":"inject","z":"8eb50c91.720f5","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":140,"y":160,"wires":[["7f63bb84.863d34"]]},{"id":"3f3764b8.b5811c","type":"debug","z":"8eb50c91.720f5","name":"success","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":649,"y":100,"wires":[]}]