public String getEntityId() {
        return this.entityId;
    }
<p>
The entity ID or Principal Entity (PE) id received from the regulatory body for sending SMS in your country.
</p>

@return The entity ID or Principal Entity (PE) id received from the regulatory body for sending SMS in your
        country.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/JourneySMSMessage.java