Class HostAppDataSource
Page Summary
HostAppDataSource is used with SelectionInput widgets in multiselect menus to populate items from a Google Workspace application data source.
This feature is exclusively available for Google Chat apps and cannot be used with Google Workspace add-ons.
The
setChatDataSourcemethod allows setting the data source from Google Chat.
For aSelection widget that uses a multiselect menu, a data source from a GoogleWorkspace application. The data source populates selection items for the multiselect menu.
constchatSpaceDataSource=CardService.newChatSpaceDataSource().setDefaultToCurrentSpace(true);constchatClientDataSource=CardService.newChatClientDataSource().setSpaceDataSource(chatSpaceDataSource);consthostAppDataSource=CardService.newHostAppDataSource().setChatDataSource(chatClientDataSource);
Only available for Google Chat apps and Google Workspace add-ons that extend flows. Notavailable for other Google Workspace add-ons.
Methods
| Method | Return type | Brief description |
|---|---|---|
set | Host | Sets the data source from Google Chat. |
set | Host | Sets the data source from Google Workspace Flows. |
Detailed documentation
setChatDataSource(chatClientDataSource)
Sets the data source from Google Chat.
constchatSpaceDataSource=CardService.newChatSpaceDataSource().setDefaultToCurrentSpace(true);constchatClientDataSource=CardService.newChatClientDataSource().setSpaceDataSource(chatSpaceDataSource);consthostAppDataSource=CardService.newHostAppDataSource().setChatDataSource(chatClientDataSource);
Parameters
| Name | Type | Description |
|---|---|---|
chat | Chat | The data source to be set. |
Return
Host — This object, for chaining.
setWorkflowDataSource(workflowDataSource)
Sets the data source from Google Workspace Flows.
Only available for Google Workspace add-ons that extend Google Workspace Studio.
constworkflowDataSource=CardService.newWorkflowDataSource().setIncludeVariables(true);consthostAppDataSource=CardService.newHostAppDataSource().setWorkflowDataSource(workflowDataSource);
Parameters
| Name | Type | Description |
|---|---|---|
workflow | Workflow | The data source to be set. |
Return
Host — This object, for chaining.
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Last updated 2025-12-03 UTC.