Okay so this will grab events for the shopping list. You will need to filter the message after. There is an example of how to do that included.
[{"id":"d9d55c2158ab9e46","type":"server-events","z":"60f2d2277843c698","name":"","server":"6b1110b5.183a4","version":3,"exposeAsEntityConfig":"","eventType":"shopping_list_updated","eventData":"","waitForRunning":true,"outputProperties":[{"property":"payload","propertyType":"msg","value":"","valueType":"eventData"},{"property":"topic","propertyType":"msg","value":"$outputData(\"eventData\").event_type","valueType":"jsonata"}],"x":710,"y":1260,"wires":[["cfeb0804bfc990c7"]]},{"id":"cfeb0804bfc990c7","type":"switch","z":"60f2d2277843c698","name":"add or complete?","property":"payload.event.action","propertyType":"msg","rules":[{"t":"eq","v":"add","vt":"str"},{"t":"eq","v":"update","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":1010,"y":1260,"wires":[["05ef75f1ff1f1c04"],["27583d6714daf818"]]},{"id":"05ef75f1ff1f1c04","type":"debug","z":"60f2d2277843c698","name":"add","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":1210,"y":1220,"wires":[]},{"id":"27583d6714daf818","type":"debug","z":"60f2d2277843c698","name":"complete","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":1220,"y":1300,"wires":[]},{"id":"6b1110b5.183a4","type":"server","name":"Home Assistant","version":5,"addon":true,"rejectUnauthorizedCerts":true,"ha_boolean":"y|yes|true|on|home|open","connectionDelay":true,"cacheJson":false,"heartbeat":false,"heartbeatInterval":"30","areaSelector":"friendlyName","deviceSelector":"friendlyName","entitySelector":"friendlyName","statusSeparator":"at: ","statusYear":"hidden","statusMonth":"short","statusDay":"numeric","statusHourCycle":"h23","statusTimeFormat":"h:m","enableGlobalContextStore":true}]
Here is an example of how to use it to send a text when an item is added. Including what was added.
[{"id":"a810888e1f3a518b","type":"api-call-service","z":"60f2d2277843c698","name":"","server":"6b1110b5.183a4","version":5,"debugenabled":false,"domain":"notify","service":"mobile_app_pixel_7","areaId":[],"deviceId":[],"entityId":[],"data":"{\t \"message\": msg.payload & \" has been added.\",\t \"title\": \"An item was added\"\t}","dataType":"jsonata","mergeContext":"","mustacheAltTags":false,"outputProperties":[],"queue":"none","x":930,"y":1260,"wires":[[]]},{"id":"6b1110b5.183a4","type":"server","name":"Home Assistant","version":5,"addon":true,"rejectUnauthorizedCerts":true,"ha_boolean":"y|yes|true|on|home|open","connectionDelay":true,"cacheJson":false,"heartbeat":false,"heartbeatInterval":"30","areaSelector":"friendlyName","deviceSelector":"friendlyName","entitySelector":"friendlyName","statusSeparator":"at: ","statusYear":"hidden","statusMonth":"short","statusDay":"numeric","statusHourCycle":"h23","statusTimeFormat":"h:m","enableGlobalContextStore":true}]