# Trigger Before Drop

## Description:

Trigger Before Drop

This trigger is fired before changing the level of a column within the grid tree column.

### Allowed Parent Components:

1. Tree Column

### Allowed Child Components:

1. Abort
2. Abort If DataStore Is Empty
3. Action Copy
4. Action Download Attachment
5. Action Group
6. Action Search
7. Add Breadcrumb Item
8. Add Connection
9. Add Smart Search Filters
10. Change Language
11. Choose Attachment
12. Clear All Filters
13. Clear All Query Params
14. Clear All StoreRecord Messages
15. Clear DataSource
16. Clear Grid Sort
17. Clear Query Param
18. Clear Smart Search Filters
19. Clear StoreRecord Message
20. Confirm Message
21. Copy StoreRecord
22. Delete Current Record
23. Delete Selected Records
24. Deselect All Records
25. Drag Drop Operation
26. Duplicate Item
27. Duplicate StoreRecord
28. Eval And Execute Expression
29. Export Data
30. Export To Google Sheet
31. Geo Location
32. Go Back
33. Go To First Field
34. Go To First Record
35. Go To Item
36. Go To Last Record
37. Go To Next Record
38. Go To Page
39. Go To Previous Record
40. Hide Item
41. Hide Popup
42. Import Data
43. Insert Record
44. Invoke DataSource
45. Invoke Trigger
46. Loop
47. Loop Records
48. Multi Sheet Export
49. Open URL
50. Print Props To Console
51. Print To Console
52. Query DataSource
53. Reduce
54. Refresh DataSource
55. Refresh Navigation Menu
56. Register State
57. Remove Connection
58. Reset DataStore
59. Reset StoreRecord
60. Save DataSource
61. Save Transaction
62. Save Video Recording
63. Select All Records
64. Server Validate
65. Set As Current StoreRecord
66. Set Message On StoreRecord
67. Show Item
68. Show Message
69. Show Popup
70. Silent Sign Out
71. Start Video Recording
72. Stop Video Recording
73. Switch
74. Update Item Number Property
75. Update Item String Property
76. Update StoreRecord
77. Wait
78. Wait For LOV

### Properties

### ➤ Enable Condition

Specify an expression that should be evaluated to a boolean \[e.g. #{dsAlias.attr1} == 'X' && #{dsAlias.attr2} > 1]. If no expression is specified, it will be considered as true.

Allowed Values: An expression which should return boolean after evaluation