# AddCustomMetadata > Type in domain **Metadata** - HTML: [AddCustomMetadata.html](AddCustomMetadata.html) - Raw SDL: [AddCustomMetadata.sdl](AddCustomMetadata.sdl) - Covered by: [llms.txt](../llms.txt) ## Fields - `parentIds`: `[ID!]!` — List of the parent Ids where the new `CustomMetadata` values were added.