jhned

// onEdit is a simple trigger
// https://developers.google.com/apps-script/guides/triggers
function onEdit(e) {      
    
    // Use Logger to log values, e.g., Logger.log(e)
    // https://developers.google.com/apps-script/guides/logging
    
    if ('' === e.value ) { // If the cell was cleared out, don't do anything.
      return false;
    }

jhned

// Runs when the spreadsheet is open.
function onOpen() {
    const spreadsheet = SpreadsheetApp.getActive();
    // Add a menu item, a button and a callback function.
    const menuItems = [
        {name: 'Generate JSON', functionName: 'generateSchemaJSON_'}
    ];
    spreadsheet.addMenu('SCHEMA', menuItems);
}