Logging in SharePoint Apps 2013

To enable logging in SharePoint 2013 app, use the following CSOM code.

try {

throw new Error("This is an App Error.");

}

catch (error) {

SP.Utilities.Utility.logCustomAppError(m_appContext, error);

m_appContext.executeQueryAsync(

function () { },

function () { alert("Could not write to error log.")

});