Is there an option to send an image file via rest api?, any examples might help.
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There is FileApiService for uploading files. Please investigate how the Attachments detail works. An example of how to call the service in JS can be found in the ConfigurationFileApi schema. Put a break point into the "upload" method in the ConfigurationFileApi schema (in a browser) and add a file to an "Attachments and notes" detail - https://prnt.sc/r93glv.
In "network" tab you will see a sent request for uploading file - https://prnt.sc/r93f0o
There is FileApiService for uploading files. Please investigate how the Attachments detail works. An example of how to call the service in JS can be found in the ConfigurationFileApi schema. Put a break point into the "upload" method in the ConfigurationFileApi schema (in a browser) and add a file to an "Attachments and notes" detail - https://prnt.sc/r93glv.
In "network" tab you will see a sent request for uploading file - https://prnt.sc/r93f0o