upload attachments using rest api for credit memos

Summary:

I need to upload using rest API a pdf file to an AR Transaction with TRX_CLASS = CM

Content (please ensure you mask any confidential information):

https://efcn.fa.us6.oraclecloud.com/fscmRestApi/resources/11.13.18.05/receivablesInvoices/7179708/child/attachments returned a response status of 404 Not Found]]><![CDATA[.The HTTP 404, 404 Not Found, and 404 error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the client was able to communicate with a given server, but the server could not find the resource that was requested. Carefully re-examine the target endpoint that is being called. ]]>Fault Details :