FileAppend

FileAppendTransactionBody

‌Append the given contents to the end of the specified file. If a file is too big to create with a single FileCreateTransaction, then it can be created with the first part of its contents, and then appended as many times as necessary to create the entire file.

Field	Type	Description
fileID	​FileID​	The file to which the bytes will be appended
contents	​bytes	The bytes that will be appended to the end of the specified file