# UiPath.Studio.Activities.Api.PackageBindings

> In this section you can find more information on how to build activities using **UiPath.Studio.Activities.Api.PackageBindings**.

In this section you can find more information on how to build activities using **UiPath.Studio.Activities.Api.PackageBindings**.

## ConnectionFilterProperties
:::note
This feature was introduced in UiPath.Studio.Activities.Api v22.10.
:::

Defines the connection filter properties.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | ParentFolderId | The ID of the parent folder. |

## ConnectionMetadata
:::note
This feature was introduced in UiPath.Studio.Activities.Api v22.10.
:::

Defines the connection metadata.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | ParentResourceKey | The parent resource key. |

## ConnectionProperties
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.10.
:::

Connection property names as they appear in the bindings export.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | ConnectionId | The name of the connection resource. |
| string | UseConnectionService | The source of the connection token - local / Integration service. |
| string | Connector | The connection provider. e.g GMail, Office365. |

## ConnectionSources
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.10.
:::

Defines where the connection is defined.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | Local | The connection is stored in a local repository. |
| string | Service | The connection is stored in Orchestrator. |

## IPackageBindingModel
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.4.
:::

Describes the Orchestrator bindings information in an activity package.

### Properties

| Type | Name | Description |
| --- | --- | --- |
| string | BindingType | Type of binding, for example asset, queues, connections. |
| IList<PackageBindingProperty> | Properties | Binding properties. Used only in Orchestrator 2021.10. |
| string | Metadata | Binding-specific information (description of the object). Used only in Orchestrator 2021.10. Requires Studio 2021.10 or later. |
| IList<PackageBindingProperty> | MetadataV2 | Properties of the bound object. Requires Studio and Orchestrator 2022.4 or later. |
| PackageBindingProperty | Key | Unique key of the binding. Requires Studio and Orchestrator 2022.4 or later. |
| PackageBindingProperty | Description | Description of the binding. Requires Studio and Orchestrator 2022.4 or later. |

## IPackageBindingsService
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.4.
:::

Exposes the functionality of generating package bindings for activity types.

### Methods

#### void AddPackageBindingMetadata(PackageBindingMetadata packageBindingMetadata)

Registers binding information.

| Parameter Type | Parameter Name |
| --- | --- |
| PackageBindingMetadata | packageBindingMetadata |

## PackageBindingMetadata
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.4.
:::

Binding metadata for the activity.

### Properties

| Type | Name | Description |
| --- | --- | --- |
| string | ActivityType | Type FullName of the related activity, for example: *UiPath.Core.Activities.GetRobotAsset*. |
| string | BindingType | Binding type of the activity, as defined by activities, for example: *asset*, *queue*, *process*, *storage*, *connection*. |
| IList<PropertyMetadata> | PropertiesMetadata | List of properties metadata. |
| PropertyMetadata | Key | Property used to generate the unique identifier for the resource, for example: "googlesheetsv4.UserDefinedValue". Requires Studio 2022.4 or later. |
| PropertyMetadata | Description | User-defined description to specify the intended usage of the resource. Requires Studio 2022.4 or later. |
| IList<PropertyMetadata> | Metadata | Properties used to tailor the bindings override experience, for example: "Connector": "googlesheetsv4". Requires Studio 2022.4 or later. |

## PackageBindingMetadataKeys
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.10.
:::

Constants to use when adding package bindings.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | PackageBinding | The PackageBinding metadata key. |
| string | PackageBindingProperty | The PackageBindingProperty metadata key. |

## PackageBindingProperty
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.4.
:::

Describes a property of the binding.

### Properties

| Type | Name | Description |
| --- | --- | --- |
| string | Name | The name of the property. |
| string | Value | The value of the property. |
| bool | IsExpression | Whether the value is an expression, |

For example, for an asset called "bananas" used in a process, the asset binding will have a binding property with the name field equal to `name`, value equal to `bananas` and IsExpression equal to `false`.

## PackageBindingTypes
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.10.
:::

Common BindingType constants.

### Constants

| Type | Name | Description |
| --- | --- | --- |
| string | Connection | Represents a binding of type Connection. |

## PropertyMetadata
:::note
This feature was introduced in UiPath.Studio.Activities.Api v21.4.
:::

Activity property metadata.

### Properties

| Type | Name | Description |
| --- | --- | --- |
| string | ContractName | Property contract name, as specified by activities, for example: *Value*, *FolderPath*, *Path*, *Directory*. |
| string | PropertyName | The actual property name of the activity class, for example *nameof(GetRobotAsset.AssetName)*, *nameof(AddTransactionItem.QueueType)*, *nameof(PostponeTransactionItem.FolderPath)*. |