Alerts the Sentiment of the text.

FindSentimentJS.js

{!REQUIRESCRIPT("/soap/ajax/39.0/connection.js")} 
{!REQUIRESCRIPT("/soap/ajax/39.0/apex.js")} 

var resp = sforce.apex.execute( 
    "EinsteinServices", 
    "findSentiment", 
    { 
        "text" : "{!Task.Description}" 
    } 
); 

window[ resp[0].probabilities[0].label ] = resp[0].probabilities[0].probability; 
window[ resp[0].probabilities[1].label ] = resp[0].probabilities[1].probability; 
window[ resp[0].probabilities[2].label ] = resp[0].probabilities[2].probability; 

var result = ""; 
if( negative > positive && negative > neutral ) { 
    result = "Negative"; 
} 
else if( positive > negative && positive > neutral ) { 
    result = "Positive"; 
} 
else { 
    result = "Neutral"; 
} 

alert( result );