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Updates, wijzigingen of verwijderingen ophalen die het ophalen van foto's van de AGOL feature service niet lukken

Caitlin_Todd_LCOR

Hallo, <\/P>

Ik probeer Power Automate te gebruiken om automatische e-mailmeldingen in te stellen wanneer er een nieuwe feature wordt toegevoegd aan een hosted feature layer op ArcGIS Online.<\/P>

Ik gebruik de trigger "When a feature is created" en de bijbehorende actie "Fetch updates, changes, or deletions" om te proberen attributen en\/of foto's van de nieuw aangemaakte feature binnen te halen en deze te organiseren in een MS Outlook "Send an email(V2)". Ik laat de bijlagen in een arrayvariabele plaatsen en voeg ze vervolgens toe aan de e-mail als bijlage.<\/P>

Ik kan de foto zien die is gekoppeld aan de nieuwe feature in ArcGIS Online. Maar de output van Fetch updates, changes, or deletions geeft een null-array terug voor de bijlagen, wat ervoor zorgt dat de actie Append to Array Variable helemaal wordt overgeslagen. Ik heb hieronder de output van Fetch updates, changes, or deletions gekopieerd en geplakt.<\/P>

<\/SPAN>"body"<\/SPAN>: {<\/SPAN><\/DIV> <\/SPAN>"items"<\/SPAN>: [<\/SPAN><\/DIV> {<\/SPAN><\/DIV> <\/SPAN>"attributes"<\/SPAN>: {<\/SPAN><\/DIV> <\/SPAN>"OBJECTID"<\/SPAN>: <\/SPAN>2304<\/SPAN>,<\/SPAN><\/DIV> & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; "EventRdStatus"<\/SPAN>:&nb sp;<\/SPAN>"Tree -&nb sp ;Impassable&nbsp ;Road"<\/SPA N>,<\ /DIV >& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ; "HazardType"<\ /SPA N>:&nb sp;<\ /SPA N>"Tree"<\ /SPA N>,<\ /DI V >& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ;& nb sp ; "UtilityHazardType"<\ /SPA N>:&nb sp;<\ /SPA N>null<\ /SPA N>,<\ /DI V >& nb sp ;& nb sp ;& nb sp ;& nb sp ; "RoadName"<\ /SPA N>:&nb sp;<\ /SPA N>"test"<\ /SPA N>,<\ /DI V >& nb sp ; "BMP"<\ /SPA N>:&nb sp;<\ /SPA N>null<\ /SPA N>,<\ /DI V >& nb sp ; "EMP"<\ /SPA N>:&nb sp;<\ /SPA N>null<\ /SPA N>,<\ /DI V >& nb sp ; "ClosestAddInts"<\ /SPA N>:&nb sp;<\ /SPA N>"test"<\ /SPA N>,<\ /DI V >& nb sp ; "RoadType"<\ /SPA N>:&nb sp;<\ /SPA N>null<\ /SPA N>,<\ /DI V >& nb sp ; "OpenLanes"<\ /SPA N>:&nb sp;<\ /SPA N>null<\ /SPA N>,<\ /DI V >& nb sp ; "ETA"<\ /SPA N>:&nb sp;<\ /SPA N>"test"<\ /SPA N>,<\ /DI V >& nb sp ; "ETC"<\ /SPA N>:&nb sp;<\ /SPA N>"test"<\ /SPA N>,<\ /DI V >& nb sp ; "GlobalID" < \ / SPA N > : & n b s p < \ / SPA N > T

Lane County GIS

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Akshay Harshe

@Caitlin_Todd_LCOR , If the attachment is always created only when a feature is created then I would recommend you use something like this:

Else, Maybe another trigger like `When attachment is created` is more appropriate.

That said, I will look into enhancing this option to Fetch updates, changes, and deletions action.

CalvinHarmin

To piggy-back on this, here is an example of an output of ArcGIS Connector for Query Attachment:

{

"statusCode": 200,

"headers": {

"ETag": "W/\"143-SEyQLGQQvSDupHamIqbh1v32DBI\"",

"Vary": "Origin,Accept-Encoding,Authorization,X-Esri-Authorization",

"arcgis_connector_version": "ArcGIS 2025.2.0 2025.06.10 1749573664471 361de8",

"X-Powered-By": "Express",

"x-ms-environment-id": "<redacted>",

"x-ms-tenant-id": "<redacted>",

"x-ms-dlp-re": "-|-",

"x-ms-dlp-gu": "-|-",

"x-ms-dlp-ef": "-|-/-|-|-",

"Timing-Allow-Origin": "*",

"x-ms-apihub-cached-response": "false",

"x-ms-apihub-obo": "false",

"Date": "Wed, 20 Aug 2025 22:47:34 GMT",

"Content-Length": "323",

"Content-Type": "application/json; charset=utf-8"

"body": [

{

"id": 133,

"globalId": "<redacted>",

"name": "IMG_2351.JPG",

"contentType": "image/jpeg",

"size": 4568873,

"keywords": "attach_images",

"url": "https://services3.arcgis.com/<redacted>/FeatureServer/0/567/attachments/133"

}

]

}

The body value is an array of attachment attributes (not the attachment itself). If no attachments are found for the specified objectid, the array is empty: []

As @AkshayHarshe pointed out, you would then use ArcGIS Connector Get attachment from URL to get the actual raw attachment file data for each attachment via the "url" value from each attachment you're iterating over from the Query attachment body.

Caitlin_Todd_LCOR

Thanks all for your time and advice on this. I'm trying to implement the suggestions you gave but still having the same issue where the Fetch Updates, Changes, or Deletions isn't recognizing that there are attachments to be found. I'm still troubleshooting when I have time, but for now I'm leaving the photo attachments out of the flow entirely just so I can get the flow running again for staff.

Akshay Harshe

Is this running on Enterprise or Online? Try using Query attachment. and use the dynamic content from the fetch action. I will check if there are anyissues.

Caitlin_Todd_LCOR

This is running on Online. I tried Query but the Fetch action didn't recognize any attachments to be queried. When I try to test the flow it skips right over Query Attachment as it couldn't find anything to query.

This is the raw output from the Fetch action. Even though I tested with a newly created point feature it didn't fetch anything.

Akshay Harshe

So What is your trigger exactly? `When a guardrail note is created`. Is it feature created or Attachment created or something else?

And how are you triggering it? e.g creating a new record ?

Caitlin_Todd_LCOR

The trigger is when a new feature is created in the hosted feature layer. Staff will typically attach a photo at that time as well.

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