Class HostAppDataSource

const chatSpaceDataSource =
    CardService.newChatSpaceDataSource().setDefaultToCurrentSpace(true);

const chatClientDataSource =
    CardService.newChatClientDataSource().setSpaceDataSource(
        chatSpaceDataSource);

const hostAppDataSource =
    CardService.newHostAppDataSource().setChatDataSource(chatClientDataSource);

const workflowDataSource =
    CardService.newWorkflowDataSource().setIncludeVariables(true);

const hostAppDataSource =
    CardService.newHostAppDataSource().setWorkflowDataSource(workflowDataSource);