Show Sales Order Number Pop-up Message on Item Receipt via Workflow

User wants a pop-up message that shows the transaction number of the related Sales Order of the Item Receipt during creation, before setting any field value.

1. Create Custom Transaction Body Field
   1. Navigate to Customization > Lists, Records, & Fields > Transaction Body Fields > New
   2. Label: Enter Related Sales Order
   3. Id: Enter _relatedSO
   4. Type: Select Free-Form Text
   5. Store Value: Remove Checkmark
   6. Click Applies To
   7. Item Receipt: Enter Checkmark
   8. Click Display
   9. Subtab: Select Main
   10. Display Type: Select Inline Text
   11. Click Validation & Defaulting
   12. Default Value: Enter {‌createdfrom.createdfrom}
   13. Formula: Enter Checkmark
   14. Click Save
2. Create Workflow

1. Navigate to Customization > Workflow >Workflows > New
2. Basic Information:
   • Name: Enter Show Sales Order Number Pop-up
   • Record Type: Select Transaction
   • Sub Types: Select Item Receipt
   • Release Status: Select Released
   • Keep Instance and History: Select Always
   • Enable Logging: Enter Checkmark
3. Initiation: 
   • Select Event Based
4. Event Definition:
   • Trigger Type: Select Before Record Load
5. Click Save
6. Click State 1
7. Bottom right corner: Click New Action
8. Click Show Message
9. Basic Information:
   • Trigger On: Select Before User Edit
10. Parameters:
    • Text: Enter {‌custbody_relatedSO}
11. Click Save