Custom Field
A custom field allows you to create a customized field to track extra characteristics and attributes of a record. Custom field object allows you to perform the following operations:
- Retrieve a specific custom field or a list of custom fields
- Create a custom field
- Update a custom field
- Delete a custom field
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The Custom Field Object
asterisk denotes required| Name | Description | Format | Attributes |
|---|---|---|---|
| label | Name of the custom field | string | MaxLength = 50 Filterable, Sortable |
| createdById | Identifier of the user who created this object | uuid | Filterable |
| createdOn | Date and time when this object was created (UTC Now), in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time | Filterable, Sortable |
| customListId | Identifier of the linked custom list if the custom field is of type drop-down | uuid | |
| definitionId | Identifier of the custom field assigned to a module | uuid | Filterable |
| description | Represents the description of the custom field | string | MaxLength = 100 |
| id | Object identifier | uuid | Filterable |
| lastUpdated | Last updated date and time value of this object in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time | Filterable, Sortable |
| lastUpdatedById | Identifier of the user who last updated this object | uuid | Filterable |
| length | Number of characters allowed in a custom field | int32 | |
| module | Represents the module to which a custom field can be assigned, e.g., activity, client, employee, etc. | CustomFieldModule Enumerated type: Click to see possible values and their descriptions. | Filterable |
| objectState | Represents the state of the object. e.g., new, unchanged, modified or deleted | ObjectState Enumerated type: Click to see possible values and their descriptions. | |
| token | Represents the token for update operations | int32 | |
| type | Represents the data type of custom field, e.g., text, date, etc. | CustomFieldType Enumerated type: Click to see possible values and their descriptions. | |
| version | Implements concurrency on this object | byte |
Custom Field List
Use this method to retrieve a list of custom fields. You can optionally pass where, orderBy, and page as query parameters to filter the result. Use the fields parameter to request a subset of the model. By default, a complete model is returned.
Request URL
Method Overview
HTTP Method:
GET
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
read:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| fields | Query | Specifies the model properties you want in the response body | string |
| where | Query | Specifies only those records that match an expression in the query | string |
| orderBy | Query | Specifies the order of the records | string |
| page | Query | Specifies the page number and number of records on each page | string |
| expand | Query | string |
Response Body
| Name | Description | Format |
|---|---|---|
| label | Name of the custom field | string |
| createdById | Identifier of the user who created this object | uuid |
| createdOn | Date and time when this object was created (UTC Now), in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| customListId | Identifier of the linked custom list if the custom field is of type drop-down | uuid |
| definitionId | Identifier of the custom field assigned to a module | uuid |
| description | Represents the description of the custom field | string |
| id | Object identifier | uuid |
| lastUpdated | Last updated date and time value of this object in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| lastUpdatedById | Identifier of the user who last updated this object | uuid |
| length | Number of characters allowed in a custom field | int32 |
| module | Represents the module to which a custom field can be assigned, e.g., activity, client, employee, etc. | CustomFieldModuleEnumerated type: Click to see possible values and their descriptions. |
| objectState | Represents the state of the object. e.g., new, unchanged, modified or deleted | ObjectStateEnumerated type: Click to see possible values and their descriptions. |
| token | Represents the token for update operations | int32 |
| type | Represents the data type of custom field, e.g., text, date, etc. | CustomFieldTypeEnumerated type: Click to see possible values and their descriptions. |
| version | Implements concurrency on this object | byte |
[
{
"label": "label",
"createdById": "931eb3a8-e3ff-4b49-85b6-6cc11784b62b",
"createdOn": "2025-09-04T05:19:41Z",
"customListId": "74fd8f83-0424-4adf-bacc-ffdb68f5c303",
"definitionId": "c2808a50-8331-430d-9fda-cde6e089e2cc",
"description": "AssignedCustomField Description",
"id": "18663d99-a652-4b09-b7e2-27cd54313c9e",
"lastUpdated": "2025-09-04T05:19:41Z",
"lastUpdatedById": "ea4e960d-30e1-4f3a-b7be-1bc556db1f96",
"length": 0,
"module": null,
"objectState": null,
"token": 0,
"type": null,
"version": "U3dhZ2dlciByb2Nrcw=="
}
]Retrieve a Custom Field
Use this method to retrieve a specific custom field. Pass id as the parameter.
Request URL
Method Overview
HTTP Method:
GET
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
read:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| id | Path | Custom field identifier | string |
Response Body
| Name | Description | Format |
|---|---|---|
| label | Name of the custom field | string |
| createdById | Identifier of the user who created this object | uuid |
| createdOn | Date and time when this object was created (UTC Now), in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| customListId | Identifier of the linked custom list if the custom field is of type drop-down | uuid |
| description | Represents the description of the custom field | string |
| id | Object identifier | uuid |
| lastUpdated | Last updated date and time value of this object in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| lastUpdatedById | Identifier of the user who last updated this object | uuid |
| length | Number of characters allowed in a custom field | int32 |
| objectState | Represents the state of the object. e.g., new, unchanged, modified or deleted | ObjectStateEnumerated type: Click to see possible values and their descriptions. |
| token | Represents the token for update operations | int32 |
| type | Represents the data type of custom field, e.g., text, date, etc. | CustomFieldTypeEnumerated type: Click to see possible values and their descriptions. |
| version | Implements concurrency on this object | byte |
{
"label": "label",
"createdById": "fe9bedc4-cf6d-4727-a804-b306113ca4d1",
"createdOn": "2025-09-04T05:19:41Z",
"customListId": "41b49741-3dba-4059-a6cf-000a6a2bf854",
"description": "CustomField Description",
"id": "91737325-f25f-4b3d-8b23-ceb629a636be",
"lastUpdated": "2025-09-04T05:19:41Z",
"lastUpdatedById": "6945f82a-e57e-4ea8-9774-312eb946a71a",
"length": 0,
"objectState": null,
"token": 0,
"type": null,
"version": "U3dhZ2dlciByb2Nrcw=="
}Create a Custom Field
Use this method to save a custom field. Pass custom field as the parameter.
Request URL
Method Overview
HTTP Method:
POST
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| body | Body | Custom field object | CustomField |
Response Body
| Name | Description | Format |
|---|---|---|
| label | Name of the custom field | string |
| createdById | Identifier of the user who created this object | uuid |
| createdOn | Date and time when this object was created (UTC Now), in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| customListId | Identifier of the linked custom list if the custom field is of type drop-down | uuid |
| description | Represents the description of the custom field | string |
| id | Object identifier | uuid |
| lastUpdated | Last updated date and time value of this object in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| lastUpdatedById | Identifier of the user who last updated this object | uuid |
| length | Number of characters allowed in a custom field | int32 |
| objectState | Represents the state of the object. e.g., new, unchanged, modified or deleted | ObjectStateEnumerated type: Click to see possible values and their descriptions. |
| token | Represents the token for update operations | int32 |
| type | Represents the data type of custom field, e.g., text, date, etc. | CustomFieldTypeEnumerated type: Click to see possible values and their descriptions. |
| version | Implements concurrency on this object | byte |
{
"label": "label",
"createdById": "62b60db1-56a6-4391-bc5a-3465aa3ed5db",
"createdOn": "2025-09-04T05:19:41Z",
"customListId": "e4c69e7e-ff92-45ee-9083-6b49f2b70ed2",
"description": "CustomField Description",
"id": "b96c198e-7a20-4a66-93ec-3a7fd3023fbe",
"lastUpdated": "2025-09-04T05:19:41Z",
"lastUpdatedById": "3d069e47-4863-4fdc-9c6c-ebe47ae4c662",
"length": 0,
"objectState": null,
"token": 0,
"type": null,
"version": "U3dhZ2dlciByb2Nrcw=="
}Create a Custom Field List
Use this method to save multiple custom fields. Pass model as the parameter.
As saving multiple records in a batch takes time, this endpoint returns a Job object that shows the progress of the batch operation. To check the status of the operation at any time, use the job endpoint.
Request URL
Method Overview
HTTP Method:
POST
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| body | Body | Custom field object | CustomFieldBatchRequest |
Response Body
| Name | Description | Format |
|---|---|---|
| batchSize | Represents the number of entities in a batch | int64 |
| createdById | Identifier of the user who created this object | uuid |
| createdOn | Date and time when this object was created (UTC Now), in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| id | Object identifier | uuid |
| lastUpdated | Last updated date and time value of this object in ISO 8601 date-time format, such as YYYY-MM-DDThh:mm:ss | date-time |
| lastUpdatedById | Identifier of the user who last updated this object | uuid |
| objectState | Represents the state of the object. e.g., new, unchanged, modified or deleted | ObjectStateEnumerated type: Click to see possible values and their descriptions. |
| progress | Represents the total number of entities processed | int64 |
| status | Represents the status of a job e.g., ready, running, completed, or terminated | string |
| token | Represents the token for update operations | int32 |
| type | Represents the type of a job e.g., create, update, or delete | string |
| version | Implements concurrency on this object | byte |
{
"batchSize": 0,
"createdById": "ac46580b-e3e8-4a1d-8331-bc5ef157801a",
"createdOn": "2025-09-04T05:19:41Z",
"id": "ab142773-fe8b-4870-82a5-f46f90ef2509",
"lastUpdated": "2025-09-04T05:19:41Z",
"lastUpdatedById": "382b786c-3251-4962-bf05-81a9a4b57ac0",
"objectState": null,
"progress": 0,
"status": "status",
"token": 0,
"type": "type",
"version": "U3dhZ2dlciByb2Nrcw=="
}Create a Custom Field Assign
Use this method to assign multiple custom fields to a module.
Request URL
Method Overview
HTTP Method:
POST
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| body | Body | Custom field object | AssignCustomField |
Create a Custom Field Unassign
Use this method to remove a custom field from a module.
Request URL
Method Overview
HTTP Method:
POST
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| body | Body | Custom field object | UnAssignCustomField |
Update a Custom Field
Use this method to update a specific custom field. Pass id as the parameter.
Request URL
Method Overview
HTTP Method:
PUT
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| id | Path | Custom field identifier | string |
| body | Body | Custom field object | CustomField |
Response Body
| Name | Description | Format |
|---|
{
"label": "label",
"createdById": "ed0d92d7-d0d5-40a0-83d9-15dce3398425",
"createdOn": "2025-09-04T05:19:41Z",
"customListId": "7da89d55-7ead-4350-9b8f-2c064c56ef25",
"description": "CustomField Description",
"id": "902a480f-aad6-4726-a634-f83a46f5c09c",
"lastUpdated": "2025-09-04T05:19:41Z",
"lastUpdatedById": "933ffd42-1220-4e56-9a7b-d9abee1fb9a3",
"length": 0,
"objectState": null,
"token": 0,
"type": null,
"version": "U3dhZ2dlciByb2Nrcw=="
}Delete a Custom Field
Use this method to delete a custom field. Pass id as the parameter. You can only delete a custom field if it is not assigned to any module.
Request URL
Method Overview
HTTP Method:
DELETE
Content Type:
application/json
Response Format:
N/A
Requires Authentication?
Yes
Headers:
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| id | Path | Custom field identifier | string |
Patch a Custom Field
Use this method to perform partial modifications to a custom field. Pass id and patch document as parameters.
Request URL
Method Overview
HTTP Method:
PATCH
Content Type:
application/json
Response Format:
json
Requires Authentication?
Yes
Headers:
Module:
Custom Field
Required Scopes:
readwrite:core
Required Subscription:
View Subscription
Request Parameters asterisk denotes required
| Name | Parameter Type | Description | Format |
|---|---|---|---|
| id | Path | Custom field identifier | string |
| body | Body | A document containing an array of objects with each object representing a single operation | CustomFieldPatchDocument |
Response Body
| Name | Description | Format |
|---|