Insert Text at Cursor Position in GDocs

// insert text at cursor position in a Google Docs using apps script.
function insertTextAtCursorPosition(text) {
    var doc = DocumentApp.getActiveDocument();
    var cursor = doc.getCursor();
    if (cursor) {
        text = cursor.insertText(text);
        position = doc.newPosition(text, text.getText().length);
        doc.setCursor(position);    
    }
}