Parameters
JSON body
Request body
application/jsonidPrefixstringRequiredClient-generated 8-char lowercase-alphanumeric prefix (from the composer state). The server appends its own 8-char suffix to form the final 16-char id that the client should adopt for subsequent updates.
Length: 8–8
bodyMdstringOptionalInitial markdown body. Usually the first non-empty snapshot from the client.