NetSuite | Setup | Enable Records for Workflow Sending

In order for messages to be sent as part of workflow actions, recipient records must be enabled. 

Enable Records for Workflows Individually

1. Open the record for editing - see supported record types here.

2. Go to the Custom tab.

3. Check the Send Workflow SMS box.

4. Repeat for each record - alternatively, refer to Enable Records for Workflows in Bulk.

Enable Records for Workflows in Bulk

To enable multiple records for workflow sending at once, run a mass update on the records to check the Send Workflow SMS box. For instructions on running mass updates, see this NetSuite article.