Hello I’ve seen this question asked but never seen a solution... but: is there a way to query the attachment service URL?
Example: https://services1.arcgis.com/AGOInstanceName/ArcGIS/rest/services/FeatureName/FeatureServer/3/queryA...I’d like to query the whole attachment table related to a feature service so an application I’m creating can use the URL’s to pull up the attachments.
I can query and capture the data for the service but I can't capture the attachments that are related without iterating through all the object ids.
There is a returnUrl parameter which returns the attachment URL with the results: https://developers.arcgis.com/rest/services-reference/query-attachments-feature-service-layer-.htm#GUID-5D234BC8-99C3-4792-B903-87FAA3CA3FA6
You still have to append a token if it's a secured service though, otherwise the link won't open.
Thanks Michael. But I’ve tried the returnurl parameter. In fact, here is what I tried exactly:
https://services5.arcgis.com/v3DMn7xrRivFMRiU/ArcGIS/rest/services/survey123_86170d7dd0954ceb838466fd88944112_fieldworker/FeatureServer/0/query?where=1%3D1&outFields=*&returnGeometry=true&returnUrl=true&f=geojson
as you can see, I’ve included the returnurl parameter... unfortunately I only get the other data but not the url.
Any ideas..?
Here is the relavant portion of the query:
/FeatureServer/0/query?returnUrl=true&f=geojson>
You have to use the queryAttachments endpoint (links in comments above use the query endpoint) which is layer specific (i.e. you must specify FeatureLayer/<layer_number>/queryAttachments). So something like this works (HTML version): https://services5.arcgis.com/v3DMn7xrRivFMRiU/ArcGIS/rest/services/survey123_86170d7dd0954ceb838466fd88944112_fieldworker/FeatureServer/0/queryAttachments?objectIds=&globalIds=&definitionExpression=1%3D1&attachmentsDefinitionExpression=&attachmentTypes=&size=&keywords=&resultOffset=&resultRecordCount=&returnUrl=true&f=html&token=
Or this for pjson: https://services5.arcgis.com/v3DMn7xrRivFMRiU/ArcGIS/rest/services/survey123_86170d7dd0954ceb838466fd88944112_fieldworker/FeatureServer/0/queryAttachments?objectIds=&globalIds=&definitionExpression=1%3D1&attachmentsDefinitionExpression=&attachmentTypes=&size=&keywords=&resultOffset=&resultRecordCount=&returnUrl=true&f=pjson&token=
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