supun19

Table table = dynamoDB.getTable("Table Name");
Map<String, String> consultee = new HashMap<>();
UpdateItemSpec updateItemSpec = new UpdateItemSpec().withPrimaryKey("eventId",eventId)
        .withUpdateExpression("set #consultees = list_append(if_not_exists(consultees, :empty_consultees), :consultees) , #url = :url")
        .withNameMap(new NameMap().with("#consultees", "consultees").with("#url","url"))
        .withValueMap(new ValueMap().withList(":consultees", Arrays.asList(consultee)).withList(":empty_consultees", Arrays.asList()).withString(":url",url)).withReturnValues(ReturnValue.ALL_NEW);

UpdateItemOutcome outcome = table.updateItem(updateItemSpec);

supun19

function getItem(){
    const params = {
      TableName: "",
      Key:{
        id: ""
      },
      ProjectionExpression:"#role",
      ExpressionAttributeNames:{
        '#role':'role'
      }

supun19

To run this, you can try:

curl -ksO https://gist.githubusercontent.com/nicerobot/2697848/raw/uninstall-node.sh
chmod +x ./uninstall-node.sh
./uninstall-node.sh
rm uninstall-node.sh

supun19

M

supun19

//echo varible value
eval $${varible_name}