How to write Google Sheets Script that searches my drive files for a variable search term entered in Cell B1 of my sheet? - google-sheets-api

Question

I'm trying to write a google sheets script to search a series of my Drive files for a variable search term. My code works well as long as I consistently entitle my files that I want to search with "Joshs File". But I want to be able to search fullText by a variable search term entered in cell B1 of my sheet. What syntax do I use to do that?
fullText contains WHAT???
function SearchFiles() {
var sheet = SpreadsheetApp.getActiveSpreadsheet();
var sh0 = sheet.getSheets()[0];
var search0 = sh0.getRange("B1").getValue();
//Please enter your search term in the place of Letter
var searchFor = 'title contains "Joshs File"' + 'and fullText contains "X"';
var names =[];
var fileIds=[];
var files = DriveApp.searchFiles(searchFor);
while (files.hasNext()) {
var file = files.next();
var name = file.getName();
names.push(name);
}
for (var i=0;i<names.length;i++){
Logger.log(names[i]);
}
var body = Logger.getLog();
var range=sh0.getRange("A5");
range.setValue(body);
}

Answer 1

Try using implementing this code:
function SearchFiles(){
var textString = "Sample";
var files = DriveApp.getFolderById(FolderID).searchFiles(
'fullText contains "'+textString+'"');
while (files.hasNext()) {
var file = files.next();
Logger.log(file.getName());
}
}
Just like how you concatenate a variable and string in JavaScript you have to use "+" in order for it to be recognized as a variable.
Hope this helps.