A Jenkins job that passes a user and password and a secret file to another job

jobA.groovy

properties([
	parameters([
		[
			$class: 'CredentialsParameterDefinition',
			name: 'GIT_CREDENTIALS',
			credentialType: 'com.cloudbees.plugins.credentials.impl.UsernamePasswordCredentialsImpl',
			defaultValue: params.GIT_CREDENTIALS?params.GIT_CREDENTIALS:'',
			description: 'Credentials for Github.',
			required: true
		],
		[
			$class: 'CredentialsParameterDefinition',
			name: 'ANDROID_KEYSTORE_FILE',
			credentialType: 'org.jenkinsci.plugins.plaincredentials.impl.FileCredentialsImpl',
			defaultValue: params.ANDROID_KEYSTORE_FILE?params.ANDROID_KEYSTORE_FILE:'',
			description: 'The Android keystore (.jks or .keystore) file',
			required: false
		]
	])
])
stage('echo'){
    echo(params.GIT_CREDENTIALS)
    echo(params.ANDROID_KEYSTORE_FILE)
}
stage('call B'){
    build(
    	job: 'jobB',
    	propagate: true,
    	wait: true,
    	parameters: [
    		[$class: "CredentialsParameterValue", name: "GIT_CREDENTIALS", value: "${params.GIT_CREDENTIALS}"],
    		[$class: "CredentialsParameterValue", name: "ANDROID_KEYSTORE_FILE", value: "${params.ANDROID_KEYSTORE_FILE}"]
    	]
    )
}

Passing credential parameters between jenkins jobs