# AddCustomMetadataInput > Input in domain **Metadata** - HTML: [AddCustomMetadataInput.html](AddCustomMetadataInput.html) - Raw SDL: [AddCustomMetadataInput.sdl](AddCustomMetadataInput.sdl) - Covered by: [llms.txt](../llms.txt) ## Input fields - `parentIds`: `[ID!]!` — Set of parent Ids to which `CustomMetadata` should be added. - `customMetadata`: `[CustomMetadataInput!]!` — `CustomMetadata` property and respective values to add to the given set of parents.