public WaitTime withWaitUntil(String waitUntil) {
        setWaitUntil(waitUntil);
        return this;
    }
<p>
The date and time, in ISO 8601 format, when Amazon Pinpoint determines whether the activity's conditions have
been met or the activity moves participants to the next activity in the journey.
</p>

@param waitUntil
       The date and time, in ISO 8601 format, when Amazon Pinpoint determines whether the activity's conditions
       have been met or the activity moves participants to the next activity in the journey.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/WaitTime.java