Could not get unknown property 'GPG_KEY_ID' for project ':tensorflow-litex'

[GvHarish9894]

Please add steps to how to create own keys in gcp

[GvHarish9894]

Please explain how to create following id's from our selfs
BINTRAY_KEY = props.getProperty('BINTRAY_KEY')
BINTRAY_USER = props.getProperty('BINTRAY_USER')

    NEXUS_USER = props.getProperty('NEXUS_USER')
    NEXUS_PASS = props.getProperty('NEXUS_PASS')

    GPG_KEY_ID = props.getProperty('GPG_KEY_ID')
    GPG_KEY_PASS = props.getProperty('GPG_KEY_PASS')
    GPG_KEY_FILE = props.getProperty('GPG_KEY_FILE')

[VigneshKSI]

I am also getting this same issue,

Caused by: groovy.lang.MissingPropertyException: Could not get unknown property 'GPG_KEY_ID' for project ':tensorflow-litex' of type org.gradle.api.Project.

Please kindly provide the steps for creating GPG_KEY_ID