AddFileToColumn
Add a file to a column value.
Input
| Name | Type | Required | Description |
| ItemId | String | True | The item to add the file to. |
| ColumnId | String | True | The column to add the file to. |
| FileName | String | False | FileName is required when Content is specified. |
| LocalPath | String | False | The file to upload. |
Result Set Columns
| Name | Type | Description |
| Success | Boolean | Indicates whether or not the operation executed successfully. |
| Details | String | Any extra details on the operation's execution. |
| AssetId | String | The unique identifier of the uploaded file. |