The Lists SDK methods lets you create / manage list of subscribers. You can then send broadcast to all the users in the list or create a workflow that triggers when a new user enters / exits list.

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Create / Update list

You can use supr_client.subscribers_list.create method to create a new list 
from suprsend import SubscriberListBroadcast,SuprsendAPIException,SuprsendValidationError
from suprsend import Suprsend
# Initialize SDK
supr_client = Suprsend("workspace_key", "workspace_secret")

try:
    data = supr_client.subscriber_lists.create({
    "list_id": "_list_id_",   #Unique identifier for the list
    "list_name": "_list_name_", #readable name of the list (optional)
    "list_description": "_some sample description for the list_"
    })
    print(data)
except (SuprsendAPIException,SuprsendValidationError) as ex:
    print(ex)
Guidelines on defining the list_id
  • list_id is case-insensitive. Suprsend first converts list_id to lowercase before storing it or doing any sort of comparison on it.
  • list_id can be of max 64 characters.
  • It can contain characters [a-z0-9_-] that is alphanumeric characters, _(underscore) and -(hyphen).

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Get list data

You can get the latest information of a list using supr_client.subscribers_list.get method. 
from suprsend import SubscriberListBroadcast, SuprsendAPIException, SuprsendValidationError
from suprsend import Suprsend

supr_client = Suprsend("workspace_key", "workspace_secret")

try:
    data = supr_client.subscriber_lists.get("_list_id_")
    print(data)

except (SuprsendAPIException, SuprsendValidationError) as ex:
    print(ex)

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Get all lists

To get the data of all the lists created in your workspace, use supr_client.subscribers_list.get_all()  method 
from suprsend import SubscriberListBroadcast,SuprsendAPIException,SuprsendValidationError
from suprsend import Suprsend
# Initialize SDK
supr_client = Suprsend("workspace_key", "workspace_secret")

try:
	const data = supr_client.subscribers_list.get_all();
    print(data)

except (SuprsendAPIException,SuprsendValidationError) as ex:
    print(ex)

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Add Subscribers to the list

Use supr_client.subscribers_list.add() to add list subscribers. There is no limit to the number of subscribers that you can add to a list. 
from suprsend import SubscriberListBroadcast, SuprsendAPIException, SuprsendValidationError
from suprsend import Suprsend

# Initialize SDK
supr_client = Suprsend("workspace_key", "workspace_secret")

try:
    data = supr_client.subscriber_lists.add("_list_id_", [
        "_distinct_id1_",
        "_distinct_id2_"
    ])
    print(data)

except (SuprsendAPIException, SuprsendValidationError) as ex:
    print(ex)

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Remove Subscribers from the list

You can remove subscribers from the list using supr_client.subscribers_list.remove() 
from suprsend import SubscriberListBroadcast, SuprsendAPIException, SuprsendValidationError
from suprsend import Suprsend

# Initialize SDK
supr_client = Suprsend("workspace_key", "workspace_secret")

try:
    data = supr_client.subscriber_lists.remove("_list_id_", [
        "_distinct_id1_",
        "_distinct_id2_"
    ])
    print(data)

except (SuprsendAPIException, SuprsendValidationError) as ex:
    print(ex)

​
Delete list

You can delete a list using the supr_client.subscribers_list.delete() method. 
from suprsend import SubscriberListBroadcast, SuprsendAPIException, SuprsendValidationError
from suprsend import Suprsend

# Initialize SDK
supr_client = Suprsend("workspace_key", "workspace_secret")

try:
    data = supr_client.subscriber_lists.delete("_list_id_")
    print(data)

except (SuprsendAPIException, SuprsendValidationError) as ex:
    print(ex)
Deleting a list is a permanent action and cannot be undone or restored.

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Replace users in list

If you want to refresh a list completely with a new set of users, you can replace users by creating a draft version of the list and updating users in it.
Use this method only if you want to completely overwrite the list members.
1

Start Sync to create a draft version of the list

This method will create a draft version of the list where you can add the new set of users to replace existing users.
data = supr_client.subscriber_lists.start_sync("_list_id_")
2

Add Subscribers to the draft list

You can use this method to add subscribers to the list’s draft version created in Step-1. You’ll get version_id in the start sync response.
data = supr_client.subscriber_lists.add_to_version("_list_id_", "01HHCTXXXXXXXXXXX", ["_distinct_id1_", "_distinct_id2_"])
3

Remove Subscribers from the draft list

You can use this method to remove subscribers from the list’s draft version created in Step-1. You’ll get version_id in the start sync response.
data = supr_client.subscriber_lists.remove_from_version("_list_id_", "01HHCTXXXXXXXXXXX", ["_distinct_id1_", "_distinct_id2_"])
4

Finish Sync to make the draft version live

Once your subscribers are updated in the list, use this method to finish sync and make the draft version updated in the above steps live.
data = supr_client.subscriber_lists.finish_sync("_list_id_", "01HHCTXXXXXXXXXXX")

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Delete Draft list

You can also delete the draft list if it was created by mistake. 
data = supr_client.subscriber_lists.delete_version("_list_id_", "01HHCTXXXXXXXXXXX")