Function

a!sentimentScore( text )

Returns a list of scores representing the emotional or subjective sentiment expressed in each of the provided text values, ranging from 1.0 (positive) to -1.0 (negative).

Parameters

Returns

List of Decimal

Usage considerations

Considerations for Appian Cloud users

This function is available only on Appian Cloud and will be enabled on Cloud sites on a rolling basis. You will receive the following error until your site is enabled: This function is currently unavailable. Please contact your system administrator if this problem persists.

Supported text values

• Supports US English text only.

• Single large text values will typically not provide useful sentiment scores. For best results, split large values into a list of smaller values that are each about the length of a sentence.

Examples

You can copy and paste these examples into the Expression Rule Designer to see how this works.

Positive sentiment score

1
=a!sentimentScore({"Hi, I hope you're having a great day"})

returns

  {0.79}

Negative sentiment score

1
=a!sentimentScore({"I got the wrong shipment!"})

returns

	{-0.53}

Returning sentiment scores for multiple statements at once

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=a!sentimentScore(
  {
    "I lost my wallet and was having a horrible day!",
    "Then someone returned it to me and I was so happy!"
  }
)

returns

  {-0.73, 0.72}

Feature compatibility