# Adding XAdES signatures to an existing container
In this demo, we let the end user choose an ASiC-E container and manually enter a XAdES signature.
<AddingSignatureExistingContainer/>
## javascript@[code{7-37} js](../.vuepress/components/AddingSignatureExistingContainer.vue)## html@[code{54-75} html](../.vuepress/components/AddingSignatureExistingContainer.vue)