iCloud.docRead()

Type Function

Return value none

Revision Release 2022.3683

Keywords iCloud, sync, storage, document, docRead

See also iCloud.docWrite()

iCloudDocEvent

iCloud.*

Overview

Reads contents of specified file and invokes the onComplete listener function with an iCloudDocEvent upon completion.

Syntax

iCloud.docRead( params )

params _^(required)

Table. Table containing method-specific parameters — see the next section for details.

Parameter Reference

Valid keys for the params table include:

filename — Required; name of the file to be read.
onComplete — Required listener function to be invoked with an iCloudDocEvent.
containerId — Optional string value indicating a specific iCloud Container to be used for document storage. Do not pass this parameter if you have only one iCloud Container associated with your app.

Example

local function docListener( event )

    if not event.isError then
        print( event.contents )  -- Contents of document file (retrieved data)
    else
        print( event.error )
        print( event.errorCode )
    end
end

iCloud.docRead(
    {
        filename = "test.txt",
        onComplete = docListener
    }
)