Explanation:

You trained an object detection model obj1 inside project proj1 on the acvdev Custom Vision resource and need to move it to the acvprod resource.
Moving a model between Custom Vision resources is done by exporting the project (not an iteration) from the source resource and importing it into the target resource.
* Step 1: GetProjects (acvdev)Retrieve the list of projects on the development resource to obtain the project ID of proj1. The export operation requires the project ID.
* Step 2: ExportProject (acvdev)Call the Export Project API on the development resource to generate the portable project package (includes tags, images' metadata, iterations, settings). This is specifically intended for moving/cloning a project across resources or regions.
* Step 3: ImportProject (acvprod)Use the Import Project API on the production resource to create a new project from the exported package. This recreates the project (and associated iterations/metadata) under acvprod.
Notes:
* ExportIteration is for exporting a trained iteration to formats for edge/container or mobile use, not for transferring to another Custom Vision resource.
* UpdateProject is for changing metadata (name, description, domain) of an existing project and is not part of the move workflow.
* Custom Vision REST API - Projects: Export/Importhttps://learn.microsoft.com/azure/ai-services
/custom-vision-service/export-import-project
* Custom Vision REST API - Projects API (Get projects)https://learn.microsoft.com/rest/api
/customvision/training/projects
* Custom Vision - Export model vs. Export project guidancehttps://learn.microsoft.com/azure/ai-services
/custom-vision-service/export-your-model (describes iteration export purpose versus project portability)