# Writing to Contacts to change subscriptionStatus **URL:** \ **Category:** Ask the community\ **Tags:** technical-talk, partners, code, question\ **Created:** [January 4, 2024, 5:13pm UTC](https://forum.wixstudio.com/t/writing-to-contacts-to-change-subscriptionstatus/55009 "2024-01-04T17:13:02Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![CODE-NINJA](https://sea1.discourse-cdn.com/wix/user_avatar/forum.wixstudio.com/code-ninja/32/110588_2.png) [@CODE-NINJA](https://forum.wixstudio.com/u/CODE-NINJA)\ **Post date:** [January 4, 2024, 6:14pm UTC](https://forum.wixstudio.com/t/writing-to-contacts-to-change-subscriptionstatus/55009/2 "2024-01-04T18:14:45Z")
> [@SimonP](#): > > subscription I just have something in my memories → that extended fields can only be used, when they were already generated inside contacts. Would that solve your question? But i am not sure. Let’s go through the issue… -To be able to work with CONTACTS → you will need wix-crm-backend. -The following information is important… ![2024-01-04 19_05_02-About Extended Fields - Velo API Reference - Wix.com](https://us1.discourse-cdn.com/wix/original/3X/0/9/09dbd2db32cd128ee08ab2346a91c5b89781b2a7.png) Maybe this post can help you somehow… > [@Querying the custom member fields](https://forum.wixstudio.com/t/querying-the-custom-member-fields/5688): > > Hi all, I have custom fields for members as outlined in the post below: [https://support.wix.com/en/article/customizing-your-member-profile-fields-7805119](https://support.wix.com/en/article/customizing-your-member-profile-fields-7805119) I can see the data on the forms, I can edit it works like a charm. However, when I want to query this data, I cannot find it in both Members/PrivateMembersData and Members/PublicData I tried to look for it in all the collections but no chance. How can I query the custom member field data using wix-query? Best, --- _[View the full topic](https://forum.wixstudio.com/t/writing-to-contacts-to-change-subscriptionstatus/55009)._