# GetInvalidBoneMappings [ExistentDocumentation](https://docs.existent.com/documentation/v0.0.2/resources/existent-api/index) > [ExistentBoneMappingsBase](https://docs.existent.com/documentation/v0.0.2/resources/existent-api/index/existentbonemappingsbase) > Get Invalid Bone Mappings ## Get Invalid Bone Mappings Returns an array of all the currently invalid bone mappings. Will skip any property that has been added to the excluded bone names. ![](https://1025885933-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjTXidr233g5QQ4gNDcFu%2Fuploads%2Fgit-blob-719cc92885f214b70ff7d5f9ada54a9366d7f26f%2Fnd_img_GetInvalidBoneMappings.png?alt=media) #### Inputs | | | | ------------------------------------------------------------------------------ | - | |

Target
Existent Bone Mappings Base Object Reference

| | #### Outputs | | | | ------------------------------------------------------ | ---------------------------------- | |

Return Value
Array of Names

| An array of invalid bone mappings. | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.existent.com/documentation/v0.0.2/resources/existent-api/index/existentbonemappingsbase/getinvalidbonemappings.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.