Infer additional organization fields on react client not working?

When accessing the useActiveOrganization hook, the additional fields are not showing. The backend is working as expected for inserting the additional fields, however frontend inferrence is not working.

I am getting a

Property 'type' does not exist on type Prettify<{ ...core org fields }>

Property 'type' does not exist on type Prettify<{ ...core org fields }>

Property 'type' does not exist on type Prettify<{ ...core org fields }>

Property 'type' does not exist on type Prettify<{ ...core org fields }>

organization({
 schema: {
   organization: {
    modelName: "organization",
    fields: {
      id: "id",
      name: "name",
      slug: "slug",
      type: "type",
      createdAt: "created_at",
      updatedAt: "updated_at",
    },
    additionalFields: {
      type: {
        type: "string" as const,
        fieldName: "type",
        returned: true,
        input: true,
        required: true,
      }
    },
  }
},
... other table mappings
})

// The plugins I pass to the react client
plugins: [
      // Ensures all extra fields are added to the client
      inferAdditionalFields<typeof auth>(), // <~ Should infer
      organizationClient(),
      // Also tried adding  
      // organizationClient({
      //  $inferAuth: auth,
      // }),
    ],

organization({
 schema: {
   organization: {
    modelName: "organization",
    fields: {
      id: "id",
      name: "name",
      slug: "slug",
      type: "type",
      createdAt: "created_at",
      updatedAt: "updated_at",
    },
    additionalFields: {
      type: {
        type: "string" as const,
        fieldName: "type",
        returned: true,
        input: true,
        required: true,
      }
    },
  }
},
... other table mappings
})

// The plugins I pass to the react client
plugins: [
      // Ensures all extra fields are added to the client
      inferAdditionalFields<typeof auth>(), // <~ Should infer
      organizationClient(),
      // Also tried adding  
      // organizationClient({
      //  $inferAuth: auth,
      // }),
    ],

organization({
 schema: {
   organization: {
    modelName: "organization",
    fields: {
      id: "id",
      name: "name",
      slug: "slug",
      type: "type",
      createdAt: "created_at",
      updatedAt: "updated_at",
    },
    additionalFields: {
      type: {
        type: "string" as const,
        fieldName: "type",
        returned: true,
        input: true,
        required: true,
      }
    },
  }
},
... other table mappings
})

// The plugins I pass to the react client
plugins: [
      // Ensures all extra fields are added to the client
      inferAdditionalFields<typeof auth>(), // <~ Should infer
      organizationClient(),
      // Also tried adding  
      // organizationClient({
      //  $inferAuth: auth,
      // }),
    ],

organization({
 schema: {
   organization: {
    modelName: "organization",
    fields: {
      id: "id",
      name: "name",
      slug: "slug",
      type: "type",
      createdAt: "created_at",
      updatedAt: "updated_at",
    },
    additionalFields: {
      type: {
        type: "string" as const,
        fieldName: "type",
        returned: true,
        input: true,
        required: true,
      }
    },
  }
},
... other table mappings
})

// The plugins I pass to the react client
plugins: [
      // Ensures all extra fields are added to the client
      inferAdditionalFields<typeof auth>(), // <~ Should infer
      organizationClient(),
      // Also tried adding  
      // organizationClient({
      //  $inferAuth: auth,
      // }),
    ],

Any ideas? Is this a bug?

Ping•7/21/25, 11:30 AM

@James! Do this instead:

organizationClient({ $inferAuth: {} as typeof auth })

organizationClient({ $inferAuth: {} as typeof auth })

Ping•7/21/25, 11:34 AM

The inferAdditionalFieldsinferAdditionalFields does not include organization ones.

James!OP•7/21/25, 10:49 PM

strange I tried this and it still doesn't work

I am stripped of time so I did a dirty workaround for now: type: (org as any).type as string, type: (org as any).type as string, The functionality itself works as intended and returns the value, it's just the TS.

Perhaps it's due to my local env, I did try remove all node_modules & re-install + restart TS server + refresh window

Ping•7/22/25, 2:42 AM

@James! Can you show me your auth config?

Ping•7/22/25, 2:43 AM

I'd like to repro because it's possible it's an issue on better-auth's end

James!OP•7/22/25, 3:47 AM

Hey @Ping

Relevant packages

"better-auth": "1.3.1",
"typescript": "^5.7.3",

"better-auth": "1.3.1",
"typescript": "^5.7.3",

The auth config (see attached message.txt)

message.txt4.25KB

PPing @James! Do this instead: ```ts organizationClient({ $inferAuth: {} as typeof aut...

Alejandro Montes•8/1/25, 6:47 AM

Thanks, it worked for me. I was looking for this since the documentation was indicating to import a "inferOrgAdditionalFields" that I couldn't find a way to import. (https://www.better-auth.com/docs/plugins/organization#additional-fields)

AAlejandro Montes Thanks, it worked for me. I was looking for this since the documentation was ind...

Ping•8/1/25, 7:22 AM

You might need to upgrade to latest, my example is for older versions.

PPing You might need to upgrade to latest, my example is for older versions.

Alejandro Montes•8/1/25, 7:25 AM

I just upgraded to the latest version this week.

PPing You might need to upgrade to latest, my example is for older versions.

Alejandro Montes•8/1/25, 7:59 AM

I double-checked and updating from 1.3.2 to 1.3.4 solve the inferOrgAdditionalFieldsinferOrgAdditionalFields import, but maybe was my node_modules not getting up to date.

Still, on the docs it shows
import { inferOrgAdditionalFields, organizationClient } from "better-auth/plugins/organization/client"import { inferOrgAdditionalFields, organizationClient } from "better-auth/plugins/organization/client",

which is not possible to import. Imported from "better-auth/client/plugins";"better-auth/client/plugins";

Alejandro Montes•8/1/25, 8:07 AM

I opened an issue, hopefully it is not a mistake from my side.
https://github.com/better-auth/better-auth/issues/3733

GitHub

Docs update: import instructions for additional fields in organizat...

Is this suited for github? Yes, this is suited for github To Reproduce Going to this part of the docs: https://www.better-auth.com/docs/plugins/organization#additional-fields In the section of infe...

AAlejandro Montes I opened an issue, hopefully it is not a mistake from my side. https://github.co...

Ping•8/1/25, 8:12 AM

Just upgraded to latest on my end with a test project, works fine for me, might be a node_modules thing.

import { inferOrgAdditionalFields } from "better-auth/client/plugins";

import { inferOrgAdditionalFields } from "better-auth/client/plugins";

AAlejandro Montes I double-checked and updating from 1.3.2 to 1.3.4 solve the `inferOrgAdditionalF...

Ping•8/1/25, 8:12 AM

Oh, the docs must have the wrong import

Ping•8/1/25, 8:13 AM

I'll fix it

PPing Just upgraded to latest on my end with a test project, works fine for me, might ...

Alejandro Montes•8/1/25, 8:21 AM

I think it was my case too.

PPing I'll fix it

Alejandro Montes•8/1/25, 8:21 AM

Thanks a lot!

Infer additional organization fields on react client not working?

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