How to commit and deploy Custom Metadata TypesIn order to deploy Custom Metadata Types, you need to include the following components in your selection.
1) In the metadata grid, select type CustomObject and choose the Custom Metadata Types you are trying to deploy. Custom Metadata Types will be always appended with the extension "__mdt".
2) To move the records linked to the Custom Metadata Type, select type CustomMetadata. The record will start with the name of the Custom metadata type object.