# Class: ApprovalCriteria\ Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1719](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1719) ApprovalCriteria represents the criteria for an approval. The approvee must satisfy all of the criteria to be approved. ## Extends - [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class)\<`ApprovalCriteria`\<`T`\>\> ## Extended by - [`ApprovalCriteriaWithDetails`](https://docs.bitbadges.io/sdk/reference/classes/approval-criteria-with-details) ## Type Parameters ### T `T` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) ## Implements - [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria)\<`T`\> ## Constructors ### Constructor > **new ApprovalCriteria**\<`T`\>(`msg`): `ApprovalCriteria`\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1746](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1746) #### Parameters ##### msg [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria)\<`T`\> #### Returns `ApprovalCriteria`\<`T`\> #### Overrides [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`constructor`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#constructor) ## Properties ### allowBackedMinting? > `optional` **allowBackedMinting?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1743](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1743) If true, this collection approval allows backed minting operations (CosmosCoinBackedPath). When false, this approval cannot be used for transfers involving backed minting addresses. This prevents accidental allowances when toListIds is "All". #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`allowBackedMinting`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#allowbackedminting) *** ### allowSpecialWrapping? > `optional` **allowSpecialWrapping?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1744](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1744) If true, this collection approval allows special wrapping operations (CosmosCoinWrapperPath). When false, this approval cannot be used for transfers involving wrapping addresses. This prevents accidental allowances when toListIds is "All". #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`allowSpecialWrapping`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#allowspecialwrapping) *** ### altTimeChecks? > `optional` **altTimeChecks?**: [`AltTimeChecks`](https://docs.bitbadges.io/sdk/reference/classes/alt-time-checks)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1739](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1739) Alternative time-based checks for approval denial (offline hours/days). #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`altTimeChecks`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#alttimechecks) *** ### approvalAmounts? > `optional` **approvalAmounts?**: [`ApprovalAmounts`](https://docs.bitbadges.io/sdk/reference/classes/approval-amounts)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1723](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1723) The maximum approved amounts for this approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`approvalAmounts`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#approvalamounts) *** ### autoDeletionOptions? > `optional` **autoDeletionOptions?**: [`AutoDeletionOptions`](https://docs.bitbadges.io/sdk/reference/classes/auto-deletion-options)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1725](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1725) Whether the approval should be deleted after one use. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`autoDeletionOptions`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#autodeletionoptions) *** ### coinTransfers? > `optional` **coinTransfers?**: [`CoinTransfer`](https://docs.bitbadges.io/sdk/reference/classes/coin-transfer)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1732](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1732) The BADGE or sdk.coin transfers to be executed upon every approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`coinTransfers`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#cointransfers) *** ### dynamicStoreChallenges? > `optional` **dynamicStoreChallenges?**: [`DynamicStoreChallenge`](https://docs.bitbadges.io/sdk/reference/classes/dynamic-store-challenge)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1734](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1734) The list of dynamic store challenges that the initiator must pass for approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`dynamicStoreChallenges`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#dynamicstorechallenges) *** ### ethSignatureChallenges? > `optional` **ethSignatureChallenges?**: [`ETHSignatureChallenge`](https://docs.bitbadges.io/sdk/reference/classes/eth-signature-challenge)[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1735](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1735) The list of ETH signature challenges that the initiator must pass for approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`ethSignatureChallenges`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#ethsignaturechallenges) *** ### evmQueryChallenges? > `optional` **evmQueryChallenges?**: [`EVMQueryChallenge`](https://docs.bitbadges.io/sdk/reference/classes/evm-query-challenge)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1742](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1742) EVM query challenges that must pass for approval. Read-only contract queries that verify external EVM state. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`evmQueryChallenges`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#evmquerychallenges) *** ### initiatorChecks? > `optional` **initiatorChecks?**: [`AddressChecks`](https://docs.bitbadges.io/sdk/reference/classes/address-checks) Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1738](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1738) Address checks for initiator #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`initiatorChecks`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#initiatorchecks) *** ### maxNumTransfers? > `optional` **maxNumTransfers?**: [`MaxNumTransfers`](https://docs.bitbadges.io/sdk/reference/classes/max-num-transfers)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1724](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1724) The max num transfers for this approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`maxNumTransfers`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#maxnumtransfers) *** ### merkleChallenges? > `optional` **merkleChallenges?**: [`MerkleChallenge`](https://docs.bitbadges.io/sdk/reference/classes/merkle-challenge)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1720](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1720) The list of merkle challenges that need valid proofs to be approved. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`merkleChallenges`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#merklechallenges) *** ### mustOwnTokens? > `optional` **mustOwnTokens?**: [`MustOwnTokens`](https://docs.bitbadges.io/sdk/reference/classes/must-own-tokens)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1721](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1721) The list of must own tokens that need valid proofs to be approved. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`mustOwnTokens`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#mustowntokens) *** ### mustPrioritize? > `optional` **mustPrioritize?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1740](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1740) If true, this approval must be explicitly prioritized in PrioritizedApprovals to be used. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`mustPrioritize`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#mustprioritize) *** ### overridesFromOutgoingApprovals? > `optional` **overridesFromOutgoingApprovals?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1730](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1730) Whether this approval overrides the from address's approved outgoing transfers. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`overridesFromOutgoingApprovals`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#overridesfromoutgoingapprovals) *** ### overridesToIncomingApprovals? > `optional` **overridesToIncomingApprovals?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1731](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1731) Whether this approval overrides the to address's approved incoming transfers. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`overridesToIncomingApprovals`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#overridestoincomingapprovals) *** ### predeterminedBalances? > `optional` **predeterminedBalances?**: [`PredeterminedBalances`](https://docs.bitbadges.io/sdk/reference/classes/predetermined-balances)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1722](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1722) The predetermined balances for each transfer. These allow approvals to use predetermined balance amounts rather than an incrementing tally system. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`predeterminedBalances`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#predeterminedbalances) *** ### recipientChecks? > `optional` **recipientChecks?**: [`AddressChecks`](https://docs.bitbadges.io/sdk/reference/classes/address-checks) Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1737](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1737) Address checks for recipient #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`recipientChecks`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#recipientchecks) *** ### requireFromDoesNotEqualInitiatedBy? > `optional` **requireFromDoesNotEqualInitiatedBy?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1729](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1729) Whether the from address must not equal the initiatedBy address. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`requireFromDoesNotEqualInitiatedBy`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#requirefromdoesnotequalinitiatedby) *** ### requireFromEqualsInitiatedBy? > `optional` **requireFromEqualsInitiatedBy?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1727](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1727) Whether the from address must equal the initiatedBy address. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`requireFromEqualsInitiatedBy`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#requirefromequalsinitiatedby) *** ### requireToDoesNotEqualInitiatedBy? > `optional` **requireToDoesNotEqualInitiatedBy?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1728](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1728) Whether the to address must not equal the initiatedBy address. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`requireToDoesNotEqualInitiatedBy`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#requiretodoesnotequalinitiatedby) *** ### requireToEqualsInitiatedBy? > `optional` **requireToEqualsInitiatedBy?**: `boolean` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1726](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1726) Whether the to address must equal the initiatedBy address. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`requireToEqualsInitiatedBy`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#requiretoequalsinitiatedby) *** ### senderChecks? > `optional` **senderChecks?**: [`AddressChecks`](https://docs.bitbadges.io/sdk/reference/classes/address-checks) Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1736](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1736) Address checks for sender #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`senderChecks`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#senderchecks) *** ### userApprovalSettings? > `optional` **userApprovalSettings?**: [`UserApprovalSettings`](https://docs.bitbadges.io/sdk/reference/classes/user-approval-settings)\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1733](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1733) Issuer-imposed constraints on user-level approvals. Includes royalties, allowed denoms, and coin transfer restrictions. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`userApprovalSettings`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#userapprovalsettings) *** ### votingChallenges? > `optional` **votingChallenges?**: [`VotingChallenge`](https://docs.bitbadges.io/sdk/reference/classes/voting-challenge)\<`T`\>[] Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1741](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1741) The list of voting challenges that must be satisfied for approval. #### Implementation of [`iApprovalCriteria`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria).[`votingChallenges`](https://docs.bitbadges.io/sdk/reference/interfaces/i-approval-criteria#votingchallenges) ## Methods ### clone() > **clone**(): `ApprovalCriteria` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:151](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L151) Deep copies the object and returns a new instance. #### Returns `ApprovalCriteria` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`clone`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#clone) *** ### convert() > **convert**\<`U`\>(`convertFunction`, `options?`): `ApprovalCriteria`\<`U`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1775](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1775) Converts the object to a different NumberType equivalent. #### Type Parameters ##### U `U` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) #### Parameters ##### convertFunction (`item`) => `U` ##### options? [`ConvertOptions`](https://docs.bitbadges.io/sdk/reference/interfaces/convert-options) #### Returns `ApprovalCriteria`\<`U`\> #### Overrides [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`convert`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#convert) *** ### equals() > **equals**\<`U`\>(`other`, `normalizeNumberTypes?`): `boolean` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:147](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L147) Compares this object's fields to another object's fields for equality. Equality is determined by comparing the JSON representations of the objects. If `normalizeNumberTypes` is true, then all number types will be compared as strings (i.e. "1n" === "1" === 1). Else, they will be compared as their native types (i.e. 1n !== 1 !== "1"). #### Type Parameters ##### U `U` *extends* [`CustomType`](https://docs.bitbadges.io/sdk/reference/interfaces/custom-type)\<`U`\> #### Parameters ##### other [`CustomType`](https://docs.bitbadges.io/sdk/reference/interfaces/custom-type)\<`U`\> \| `null` \| `undefined` ##### normalizeNumberTypes? `boolean` #### Returns `boolean` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`equals`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#equals) *** ### getNumberFieldNames() > **getNumberFieldNames**(): `string`[] Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:157](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L157) Internal helper method to convert the number fields of the object to a different NumberType equivalent. #### Returns `string`[] #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`getNumberFieldNames`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#getnumberfieldnames) *** ### hasNumberFields() > **hasNumberFields**(): `boolean` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:161](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L161) Checks if the object has number fields. #### Returns `boolean` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`hasNumberFields`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#hasnumberfields) *** ### toBech32Addresses() > **toBech32Addresses**(`prefix`): `ApprovalCriteria`\<`T`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1835](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1835) #### Parameters ##### prefix `string` #### Returns `ApprovalCriteria`\<`T`\> *** ### toJson() > **toJson**(): `JsonObject` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:139](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L139) Converts the object to a JSON object with all primitive types. #### Returns `JsonObject` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`toJson`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#tojson) *** ### toJsonString() > **toJsonString**(): `string` Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:143](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L143) Converts the object to a JSON string. #### Returns `string` #### Inherited from [`BaseNumberTypeClass`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class).[`toJsonString`](https://docs.bitbadges.io/sdk/reference/classes/base-number-type-class#tojsonstring) *** ### toProto() > **toProto**(): `ApprovalCriteria` Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1779](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1779) #### Returns `ApprovalCriteria` *** ### fromJson() > `static` **fromJson**\<`U`\>(`jsonValue`, `convertFunction`, `options?`): `ApprovalCriteria`\<`U`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1787](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1787) #### Type Parameters ##### U `U` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) #### Parameters ##### jsonValue `JsonValue` ##### convertFunction (`item`) => `U` ##### options? `Partial`\<`JsonReadOptions`\> #### Returns `ApprovalCriteria`\<`U`\> *** ### fromJsonString() > `static` **fromJsonString**\<`U`\>(`jsonString`, `convertFunction`, `options?`): `ApprovalCriteria`\<`U`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1795](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1795) #### Type Parameters ##### U `U` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) #### Parameters ##### jsonString `string` ##### convertFunction (`item`) => `U` ##### options? `Partial`\<`JsonReadOptions`\> #### Returns `ApprovalCriteria`\<`U`\> *** ### fromProto() > `static` **fromProto**\<`U`\>(`item`, `convertFunction`): `ApprovalCriteria`\<`U`\> Defined in: [packages/bitbadgesjs-sdk/src/core/approvals.ts:1803](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/approvals.ts#L1803) #### Type Parameters ##### U `U` *extends* [`NumberType`](https://docs.bitbadges.io/sdk/reference/type-aliases/number-type) #### Parameters ##### item `ApprovalCriteria` ##### convertFunction (`item`) => `U` #### Returns `ApprovalCriteria`\<`U`\>