PrintTenderlyMessageHash.js

javascript:(function(){
	var aTags = document.getElementsByTagName("span");
	var searchText = "encodeTransactionData";
	var encDataElement;
	for (var i = 0; i < aTags.length; i++) {
	  if (aTags[i].textContent == searchText) {
	    encDataElement = aTags[i];
	    break;
	  }
	}
	if (!encDataElement) {
		throw new Error("Can not find 'encodeTransactionData' span element")
	}
	const valElement = encDataElement.parentElement.querySelector('.TracePoint__OutputParams .TracePoint__VariableValue');
	if (!valElement) {
		throw new Error("Can not find the element that displays the output value of 'encodeTransactionData'")
	}

	const returnValue = valElement.textContent;
	console.log(`Message hash of the transaction: 0x${returnValue.substring(returnValue.length - 64)}`)
})();