activities
latest
false
- Overview
- App Events
- Flowchart Builder
- Callout
- Complex Scenarios
- Credentials
- Data Service
- About the Data Service activity package
- Project compatibility
- Create Entity Record
- Update Entity Record
- Delete Entity Record
- Get Entity Record by Id
- Query Entity Records
- Query Multiple Entity Records
- Upload File to Record Field
- Download File from Record Field
- Delete File from Record Field
- Create Multiple Entity Records
- Update Multiple Entity Records
- Delete Multiple Entity Records
- Form
- Release notes
- Project compatibility
- Real Time Forms
- Updating form data
- Running forms using JavaScript
- Customizing Forms Using CSS
- Conditional components
- Adding multiple components on the same row in Columns
- Using the Data Table component
- Get File/Folder path
- Reading cell values from a Data Grid component
- Displaying PDF files
- Displaying images in forms
- Scrolling through Data Grids
- Using Dev Tools with forms
- Calculate form component values
- Managing dates in forms
- Opening hyperlinks inside forms
- Displaying a default tab in forms
- Displaying the full label of a component
- Searching long strings in drop-down lists
- Dynamically set form values
- About the pre 23.4 Form experience
- Project Compatibility
- Real Time Forms
- Dynamic Checkboxes
- Conditional Dropdowns
- Displaying a Default Tab
- Displaying Images
- Displaying PDF Files
- Displaying the Full Label
- Dynamic HTML Elements
- Managing Dates
- Searching Long Strings in Drop-downs
- Customizing Forms Using Local CSS Files
- Executing Do Block On Checkbox Change
- Customizing Columns Width
- Updating Form Data
- Resetting Collection Data
- Advanced Logic
- Executing Do Block on Dropdown Option Change
- Reading Cell Values From a Data Grid Component
- Conditional Components
- Scrolling Through Data Grid Components
- Using the Grid Component
- Dev Tools
- Calculated Value
- Dynamic Dropdowns
- Switching Tabs With Button Click
- Opening Hyperlinks Inside Form
- FTP
- IPC
- Automation Ops Pipelines
- Release notes
- About the Pipelines activity package
- Project compatibility
- Activate Solution Deployment
- Analyze
- Build
- Clone
- Delete Solution Package
- Deploy Solution
- Download Package
- Download Solution Package
- Download Solution Package Configuration
- Publish Package
- Publish Solution Package
- Re-sync Solution Project
- Run Existing Test Set
- Run Tests
- Stage
- Uninstall Solution
- Update Process
- Upload Solution Package
- Persistence
- Release notes
- Project compatibility
- Bulk Form Designer
- Start Job And Get Reference
- Wait For Job And Resume
- Add Queue Item And Get Reference
- Wait For Queue Item And Resume
- Wait For Form Task And Resume
- Resume After Delay
- Assign Tasks
- Create External Task
- Wait For External Task And Resume
- Complete Task
- Forward Task
- Get Form Tasks
- Get Task Data
- Get App Tasks
- Add Task Comment
- Update Task Labels
- Create App Task
- Wait For App Task And Resume
- Configure task timer
- Working with App tasks
- Building Your First Form Action
- Advanced Controls for Drop-downs
- Embedding Objects in Form Actions
- Allowing Users to Upload Files to the Storage Bucket
- Adding Advanced Logic Using Java Script
- Setting a Default Tab
- Removing the Delete button from Edit Grid using custom CSS
- Customizing Edit Grid templates
- Using buttons to trigger custom logic
- Using an External Form Layout
- Dynamically expanding form components at runtime
- Aligning the content of a form component from left to right using JSON attributes
- Sample Workflows
- System
- Release notes
- Project compatibility
- Supported character encoding
- RegEx Builder Wizard
- Add Data Column
- Add Data Row
- Add Log Fields
- Add or Subtract from Date
- Add Transaction Item
- Add Queue Item
- Append Item to Collection
- Append Item to List
- Append Line
- Beep
- Break / Exit Loop
- Browse for File
- Browse for Folder
- Build Collection
- Build Data Table
- Bulk Add Queue Items
- Change Case for Text
- Change Type
- Check False
- Check True
- Clear Data Table
- Collection to Data Table
- Comment
- Compress/Zip Files
- Copy File
- Copy Folder
- Combine text
- Comment Out / Disabled Activities
- Continue / Skip Current
- Create File
- Create Folder
- Create List
- Custom Input
- Delete
- Delete File
- Delete Folder
- Delete Storage File
- Delete Queue Items
- Disable Local Trigger
- Do While
- Download file from URL
- Download Storage File
- Enable Local Trigger
- Evaluate Business Rule
- Exists in Collection
- Extract/Unzip Files
- Extract Date and Time from Text
- Extract Text
- File Change Trigger
- File Exists
- Filter Collection
- Filter Data Table
- Folder Exists
- For Each
- For Each File in Folder
- File Change Trigger V3
- Find and Replace
- Find Matching Patterns
- For Each Folder in Folder
- For Each Row in Data Table
- Format Date as Text
- Format Value
- Generate Data Table From Text
- Get Asset
- Get Credential / Get Orchestrator Credential
- Get Current Job Info
- Get Environment Folder
- Get Environment Variable
- Get File Info
- Get Folder Info
- Get Jobs
- Get Processes
- Get Row Item
- Get Secret
- Get Transaction Item
- Get Username/Password
- Get Queue Items
- Global Variable Changed Trigger
- Input Dialog
- Invoke Code
- Invoke Com Method
- Invoke Power Shell
- Invoke Process
- Invoke VBScript
- Invoke Workflow File
- Is Text Matching
- Join Data Tables
- Kill Process
- Launch Workflow Interactive
- List Storage Files
- Log Message
- Lookup Data Table
- Manual Trigger
- Merge Collections
- Merge Data Table
- Message Box
- Modify Date
- Modify Text
- Move File
- Move Folder
- Multiple Assign
- New Item Added to Queue
- Notify Global Variable Changed
- Orchestrator HTTP Request
- Output Data Table
- Parallel
- Parallel for each
- Path Exists
- Postpone Transaction Item
- Process End Trigger
- Process Start Trigger
- Process Tracking Scope
- Raise Alert
- Read List Item
- Read Text File
- Read Storage Text
- Remove Data Column
- Remove Data Row
- Remove Duplicate Rows
- Remove From Collection
- Remove Log Fields
- Replace Matching Patterns
- Repeat Number of Times
- Repeat Trigger
- Rename File
- Rename Folder
- Report Status
- Reset Timer
- Resume Timer
- Retry Scope
- Return
- Run Local Triggers
- Run Agent
- Run Job
- Run Parallel Process
- Set Asset
- Send Email Notification
- Set Credential
- Set Environment Variable
- Set Secret
- Set Task Status
- Set Trace Status
- Set Transaction Progress
- Set Transaction Status
- Should Stop
- Split Text
- Sort Data Table
- Start Timer
- Start Job
- Stop Job
- Stop Local Triggers
- Stop Timer
- Text to Left/Right
- Text to Upper/Lowercase
- Time Trigger
- Trigger Scope
- Track Object
- Timeout Scope
- Update Row Item
- Update List Item
- Upload Storage File
- Wait for Download
- Wait Queue Item
- While
- Workflow Placeholder
- Write Storage Text
- Write Text File
- AddDataRow
- AddQueueItem
- AddTransactionItem
- AppendLine
- BulkAddQueueItems
- ClearDataTable
- CompressZipFiles
- CopyFile
- CreateFile
- CreateFolder
- DeleteFileOrFolder
- DeleteQueueItems
- DeleteStorageFile
- DownloadStorageFile
- ExtractUnzipFiles
- FilterDataTable
- GetAsset
- GetCredential
- GetJobs
- GetQueueItem
- GetQueueItems
- GetResourceForLocalPath
- GetRowItem
- GetTransactionItem
- InvokeProcess
- JoinDataTables
- ListStorageFiles
- LookUpDataTable
- MergeDataTable
- MoveFile
- OrchestratorHTTPRequest
- OutputDataTable
- PathExists
- PostponeTransactionItem
- ReadStorageText
- ReadTextFile
- RemoveDataColumn
- RemoveDuplicateRows
- Replace
- SetAsset
- SetCredential
- SetTransactionProgress
- SetTransactionStatus
- SortDataTable
- StartJob
- StopJob
- UpdateRowItem
- UploadStorageFile
- WaitQueueItem
- WriteStorageText
- WriteTextFile
- Testing
- Release notes
- About the Testing activity package
- Project compatibility
- Project Settings
- Add Test Data Queue Item
- Attach Document
- Bulk Add Test Data Queue Items
- Create Comparison Rule
- Compare PDF Documents
- Compare Text
- Delete Test Data Queue Items
- Generate Address
- Generate Given Name
- Generate Last Name
- Generate Random Date
- Generate Random Number
- Generate Random String
- Generate Random Value
- Get Test Data Queue Item
- Get Test Data Queue Items
- Verify Control Attribute
- Verify Expression
- Verify Expression With Operator
- Verify Range
- Address
- AddTestDataQueueItem
- AttachDocument
- BulkAddTestDataQueueItems
- DeleteTestDataQueueItems
- GetTestDataQueueItem
- GetTestDataQueueItems
- GivenName
- LastName
- RandomDate
- RandomNumber
- RandomString
- RandomValue
- VerifyAreEqual
- VerifyAreNotEqual
- VerifyContains
- VerifyExpression
- VerifyExpressionWithOperator
- VerifyIsGreater
- VerifyIsGreaterOrEqual
- VerifyIsLess
- VerifyIsLessOrEqual
- VerifyIsRegexMatch
- VerifyRange
- Workflow Foundation
Workflow activities
Last updated Mar 5, 2026
Append Item to Collection
UiPath.Activities.System.Collections.AppendItemToCollection
Description
Appends one or more items at the end of the specified collection.
Project compatibility
Windows | Cross-platform
Configuration
- Collection - The collection you want to work with.
- Items - The items to be added. Click the field to open the Collection Builder window.
Note:
Changing the data type of the collection after selecting it in the Collection field triggers a validation error. The collection with the new data type must be added again to the activity.
Additional options
Output
- Result - Reference to the resulting collection for use in other activities.