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onflow.org
Flow Playground

Get Block with the Flow CLI

How to get a collection from the command line

The Flow CLI provides a command to fetch any collection from the Flow network.

flow collections get <collection_id>

Example Usage

flow collections get 3e694588e789a72489667a36dd73104dea4579bcd400959d47aedccd7f930eeb \
--host access.mainnet.nodes.onflow.org:9000

Example response

Collection ID 3e694588e789a72489667a36dd73104dea4579bcd400959d47aedccd7f930eeb:
acc2ae1ff6deb2f4d7663d24af6ab1baf797ec264fd76a745a30792f6882093b
ae8bfbc85ce994899a3f942072bfd3455823b1f7652106ac102d161c17fcb55c
70c4d39d34e654173c5c2746e7bb3a6cdf1f5e6963538d62bad2156fc02ea1b2
2466237b5eafb469c01e2e5f929a05866de459df3bd768cde748e068c81c57bf

Arguments

Collection ID

  • Name: collection_id
  • Valid Input: SHA3-256 hash of the collection contents

{argument general description}

Arguments

Flags

Host

  • Flag: --host
  • Valid inputs: an IP address or hostname.
  • Default: 127.0.0.1:3569 (Flow Emulator)

Specify the hostname of the Access API that will be used to execute the command. This flag overrides any host defined by the --network flag.

Network Key

  • Flag: --network-key
  • Valid inputs: A valid network public key of the host in hex string format

Specify the network public key of the Access API that will be used to create a secure GRPC client when executing the command.

Network

  • Flag: --network
  • Short Flag: -n
  • Valid inputs: the name of a network defined in the configuration (flow.json)
  • Default: emulator

Specify which network you want the command to use for execution.

Filter

  • Flag: --filter
  • Short Flag: -x
  • Valid inputs: a case-sensitive name of the result property.

Specify any property name from the result you want to return as the only value.

Output

  • Flag: --output
  • Short Flag: -o
  • Valid inputs: json, inline

Specify the format of the command results.

Save

  • Flag: --save
  • Short Flag: -s
  • Valid inputs: a path in the current filesystem.

Specify the filename where you want the result to be saved

Log

  • Flag: --log
  • Short Flag: -l
  • Valid inputs: none, error, debug
  • Default: info

Specify the log level. Control how much output you want to see during command execution.

Configuration

  • Flag: --config-path
  • Short Flag: -f
  • Valid inputs: a path in the current filesystem.
  • Default: flow.json

Specify the path to the flow.json configuration file. You can use the -f flag multiple times to merge several configuration files.